HB197-3-G Bluetooth Keyboard Test Report GTS201807000079F01 BT3.0 Shenzhen Hangshi Technology Co., Ltd

Shenzhen Hangshi Technology Co., Ltd Bluetooth Keyboard

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Global United Technology Services Co., Ltd.
Report No.: GTS201807000079F01
Cover Page
FCC Report (Bluetooth)
Applicant:
Shenzhen Hangshi Technology Co.,Ltd.
Address of Applicant:
Manufacturer/ Factory:
Hangshi Technology Park, Democracy West Industry Area,
Shajing Town, Bao'an District, Shenzhen, China.
Shenzhen Hangshi Technology Co.,Ltd.
Address of
Manufacturer/ Factory:
Hangshi Technology Park, Democracy West Industry Area,
Shajing Town, Bao'an District, Shenzhen, China.
Equipment Under Test (EUT)
Product Name:
Bluetooth Keyboard
Model No.:
HB197-3-G, HB197-2-G, HB198-2-G, HB198-3-G
FCC ID:
2AKHJHB197-3-G
Applicable standards:
FCC CFR Title 47 Part 15 Subpart C Section 15.247
Date of sample receipt:
July 07, 2018
Date of Test:
July 07-27, 2018
Date of report issued:
July 27, 2018
Test Result :
PASS *
In the configuration tested, the EUT complied with the standards specified above.
Authorized Signature:
Robinson Lo
Laboratory Manager
This results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in
full, without prior written permission of the company. The report would be invalid without specific stamp of test institute
and the signatures of compiler and approver.
Report No.: GTS201807000079F01
Version
Version No.
Date
Description
00
July 27, 2018
Original
Prepared By:
Date:
July 27, 2018
Date:
July 27, 2018
Project Engineer
Check By:
Reviewer
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 2 of 43
Report No.: GTS201807000079F01
Contents
Page
COVER PAGE .......................................................................................................................................... 1
VERSION .................................................................................................................................................. 2
CONTENTS .............................................................................................................................................. 3
TEST SUMMARY ..................................................................................................................................... 4
GENERAL INFORMATION ...................................................................................................................... 5
5.1
5.2
5.3
5.4
5.5
5.6
GENERAL DESCRIPTION OF EUT ......................................................................................................... 5
TEST MODE ........................................................................................................................................ 7
DESCRIPTION OF SUPPORT UNITS ....................................................................................................... 7
TEST FACILITY .................................................................................................................................... 7
TEST LOCATION .................................................................................................................................. 7
ADDITIONAL INSTRUCTIONS ................................................................................................................. 8
TEST INSTRUMENTS LIST ..................................................................................................................... 9
TEST RESULTS AND MEASUREMENT DATA.................................................................................... 11
7.1
ANTENNA REQUIREMENT ................................................................................................................... 11
7.2
CONDUCTED PEAK OUTPUT POWER .................................................................................................. 12
7.3
20DB EMISSION BANDWIDTH ............................................................................................................. 14
7.4
CARRIER FREQUENCIES SEPARATION ................................................................................................ 16
7.5
HOPPING CHANNEL NUMBER ............................................................................................................. 18
7.6
DWELL TIME ..................................................................................................................................... 19
7.7
PSEUDORANDOM FREQUENCY HOPPING SEQUENCE .......................................................................... 21
7.8
BAND EDGE...................................................................................................................................... 22
7.8.1 Conducted Emission Method..................................................................................................... 22
7.8.2 Radiated Emission Method........................................................................................................ 24
7.9
SPURIOUS EMISSION......................................................................................................................... 26
7.9.1 Conducted Emission Method..................................................................................................... 26
7.9.2 Radiated Emission Method........................................................................................................ 28
TEST SETUP PHOTO ............................................................................................................................ 36
EUT CONSTRUCTIONAL DETAILS ..................................................................................................... 37
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 3 of 43
Report No.: GTS201807000079F01
Test Summary
Test Item
Section in CFR 47
Result
Antenna Requirement
15.203/15.247 (c)
Pass
AC Power Line Conducted Emission
15.207
N/A
Conducted Peak Output Power
15.247 (b)(1)
Pass
20dB Occupied Bandwidth
15.247 (a)(1)
Pass
Carrier Frequencies Separation
15.247 (a)(1)
Pass
Hopping Channel Number
15.247 (a)(1)
Pass
Dwell Time
15.247 (a)(1)
Pass
Pseudorandom Frequency Hopping
Sequence
15.247(b)(4)
Pass
Radiated Emission
15.205/15.209
Pass
Band Edge
15.247(d)
Pass
Pass: The EUT complies with the essential requirements in the standard.
N/A: Not applicable.
Remark: Test according to ANSI C63.10:2013
Measurement Uncertainty
Test Item
Frequency Range
Radiated Emission
9kHz ~ 30MHz
4.34dB
(1)
Radiated Emission
30MHz ~ 1000MHz
4.24dB
(1)
Radiated Emission
1GHz ~ 26.5GHz
4.68dB
(1)
0.15MHz ~ 30MHz
3.45dB
(1)
AC Power Line Conducted
Emission
Measurement Uncertainty
Notes
Note (1): The measurement uncertainty is for coverage factor of k=2 and a level of confidence of 95%.
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 4 of 43
Report No.: GTS201807000079F01
General Information
5.1 General Description of EUT
Product Name:
Bluetooth Keyboard
Model No.:
HB197-3-G, HB197-2-G, HB198-2-G, HB198-3-G
Test Model No:
HB197-3-G
Serial No.:
HSHB1973G00004
Test sample(s) ID:
GTS201807000079-1
Sample(s) Status
Engineer sample
Hardware version:
V1.0
Software version:
V1.0
Operation Frequency:
2402MHz~2480MHz
Channel numbers:
79
Channel separation:
1MHz
Modulation type:
GFSK
Antenna Type:
PCB Antenna
Antenna gain:
1.87dBi
Power supply:
DC3V by 2*AAA batteries
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 5 of 43
Report No.: GTS201807000079F01
Operation Frequency each of channel
Channel
Frequency
Channel
Frequency
Channel
Frequency
Channel
Frequency
2402MHz
21
2422MHz
41
2442MHz
61
2462MHz
2403MHz
22
2423MHz
42
2443MHz
62
2463MHz
2404MHz
23
2424MHz
43
2444MHz
63
2464MHz
2405MHz
24
2425MHz
44
2445MHz
64
2465MHz
2406MHz
25
2426MHz
45
2446MHz
65
2466MHz
2407MHz
26
2427MHz
46
2447MHz
66
2467MHz
2408MHz
27
2428MHz
47
2448MHz
67
2468MHz
2409MHz
28
2429MHz
48
2449MHz
68
2469MHz
2410MHz
29
2430MHz
49
2450MHz
69
2470MHz
10
2411MHz
30
2431MHz
50
2451MHz
70
2471MHz
11
2412MHz
31
2432MHz
51
2452MHz
71
2472MHz
12
2413MHz
32
2433MHz
52
2453MHz
72
2473MHz
13
2414MHz
33
2434MHz
53
2454MHz
73
2474MHz
14
2415MHz
34
2435MHz
54
2455MHz
74
2475MHz
15
2416MHz
35
2436MHz
55
2456MHz
75
2476MHz
16
2417MHz
36
2437MHz
56
2457MHz
76
2477MHz
17
2418MHz
37
2438MHz
57
2458MHz
77
2478MHz
18
2419MHz
38
2439MHz
58
2459MHz
78
2479MHz
19
2420MHz
39
2440MHz
59
2460MHz
79
2480MHz
20
2421MHz
40
2441MHz
60
2461MHz
Note:
In section 15.31(m), regards to the operating frequency range over 10 MHz, the Lowest frequency, the
middle frequency, and the highest frequency of channel were selected to perform the test, and the selected
channel see below:
Channel
Frequency
The lowest channel
2402MHz
The middle channel
2441MHz
The Highest channel
2480MHz
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 6 of 43
Report No.: GTS201807000079F01
5.2 Test mode
Transmitting mode
Keep the EUT in continuously transmitting mode.
Remark: During the test, new batteries were used.
5.3 Description of Support Units
None.
5.4 Test Facility
The test facility is recognized, certified, or accredited by the following organizations:
FCC —Registration No.: 381383
Global United Technology Services Co., Ltd., Shenzhen EMC Laboratory has been registered and fully
described in a report filed with the (FCC) Federal Communications Commission. The acceptance letter
from the FCC is maintained in files. Registration 381383, January 08, 2018.
—Registration No.: 9079A-2
The 3m Semi-anechoic chamber of Global United Technology Services Co., Ltd. has been registered by
Certification and Engineering Bureau of Industry Canada for radio equipment testing with Registration
No.: 9079A-2, August 15, 2016.
5.5 Test Location
All tests were performed at:
Global United Technology Services Co., Ltd.
Address: No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road,
Baoan District, Shenzhen, Guangdong, China 518102
Tel: 0755-27798480
Fax: 0755-27798960
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 7 of 43
Report No.: GTS201807000079F01
5.6 Additional Instructions
EUT Software Settings:
Special software is used.
Mode
The software provided by client to enable the EUT under transmission
condition continuously at specific channel frequencies individually.
Test Software Name
Mode
Bluetooth RF Test Tool V2017.7.11
Channel
Frequency (MHz)
Soft Set
CH01
2402
TX level : default
CH40
2441
CH79
2480
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 8 of 43
Report No.: GTS201807000079F01
Test Instruments list
Radiated Emission:
Item
Test Equipment
Manufacturer
Model No.
Inventory
No.
Cal.Date
(mm-dd-yy)
Cal.Due date
(mm-dd-yy)
3m Semi- Anechoic
Chamber
ZhongYu Electron
9.2(L)*6.2(W)* 6.4(H)
Control Room
ZhongYu Electron
6.2(L)*2.5(W)* 2.4(H)
GTS251
N/A
N/A
EMI Test Receiver
Rohde & Schwarz
ESU26
GTS203
June. 27 2018
June. 26 2019
BiConiLog Antenna
SCHWARZBECK
MESS-ELEKTRONIK
VULB9163
GTS214
June. 27 2018
June. 26 2019
BBHA 9120 D
GTS208
June. 27 2018
June. 26 2019
Double -ridged waveguide SCHWARZBECK
horn
MESS-ELEKTRONIK
GTS250
July. 03 2015
July. 02 2020
Horn Antenna
ETS-LINDGREN
3160
GTS217
June. 27 2018
June. 26 2019
EMI Test Software
AUDIX
E3
N/A
N/A
N/A
Coaxial Cable
GTS
N/A
GTS213
June. 27 2018
June. 26 2019
Coaxial Cable
GTS
N/A
GTS211
June. 27 2018
June. 26 2019
10
Coaxial cable
GTS
N/A
GTS210
June. 27 2018
June. 26 2019
11
Coaxial Cable
GTS
N/A
GTS212
June. 27 2018
June. 26 2019
12
Amplifier(100kHz-3GHz)
HP
8347A
GTS204
June. 27 2018
June. 26 2019
13
Amplifier(2GHz-20GHz)
HP
84722A
GTS206
June. 27 2018
June. 26 2019
14
Amplifier (18-26GHz)
Rohde & Schwarz
GTS218
June. 27 2018
June. 26 2019
15
Band filter
Amindeon
82346
GTS219
June. 27 2018
June. 26 2019
16
Power Meter
Anritsu
ML2495A
GTS540
June. 27 2018
June. 26 2019
17
Power Sensor
Anritsu
MA2411B
GTS541
June. 27 2018
June. 26 2019
18
Wideband Radio
Communication Tester
Rohde & Schwarz
CMW500
GTS575
June. 27 2018
June. 26 2019
19
Splitter
Agilent
11636B
GTS237
June. 27 2018
June. 26 2019
20
Loop Antenna
ZHINAN
ZN30900A
GTS534
June. 27 2018
June. 26 2019
AFS33-18002
650-30-8P-44
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 9 of 43
Report No.: GTS201807000079F01
RF Conducted Test:
Item Test Equipment
Manufacturer
Model No.
Serial No.
Cal.Date
(mm-dd-yy)
Cal.Due
date
(mm-dd-yy)
MXA Signal Analyzer
Agilent
N9020A
GTS566
June. 27 2018
June. 26 2019
EMI Test Receiver
R&S
ESCI 7
GTS552
June. 27 2018
June. 26 2019
Spectrum Analyzer
Agilent
E4440A
GTS533
June. 27 2018
June. 26 2019
MXG vector Signal
Generator
Agilent
N5182A
GTS567
June. 27 2018
June. 26 2019
ESG Analog Signal
Generator
Agilent
E4428C
GTS568
June. 27 2018
June. 26 2019
USB RF Power
Sensor
DARE
RPR3006W
GTS569
June. 27 2018
June. 26 2019
RF Switch Box
Shongyi
RFSW3003328
GTS571
June. 27 2018
June. 26 2019
EMI Test Receiver
R&S
ESCI 7
GTS552
June. 27 2018
June. 26 2019
Programmable
Constant Temp &
Humi Test Chamber
WEWON
WHTH-150L-40-880
GTS572
June. 27 2018
June. 26 2019
General used equipment:
Item
Test Equipment
Manufacturer
Model No.
Inventory
No.
Cal.Date
(mm-dd-yy)
Cal.Due date
(mm-dd-yy)
Humidity/
Temperature Indicator
KTJ
TA328
GTS243
June. 27 2018
June. 26 2019
Barometer
ChangChun
DYM3
GTS255
June. 27 2018
June. 26 2019
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 10 of 43
Report No.: GTS201807000079F01
Test results and Measurement Data
7.1 Antenna requirement
Standard requirement:
FCC Part15 C Section 15.203 /247(c)
15.203 requirement:
An intentional radiator shall be designed to ensure that no antenna other than that furnished by the
responsible party shall be used with the device. The use of a permanently attached antenna or of an
antenna that uses a unique coupling to the intentional radiator, the manufacturer may design the unit so
that a broken antenna can be replaced by the user, but the use of a standard antenna jack or electrical
connector is prohibited.
15.247(c) (1)(i) requirement:
(i) Systems operating in the 2400-2483.5 MHz band that is used exclusively for fixed. Point-to-point
operations may employ transmitting antennas with directional gain greater than 6dBi provided the
maximum conducted output power of the intentional radiator is reduced by 1 dB for every 3 dB that the
directional gain of the antenna exceeds 6dBi.
E.U.T Antenna:
The antenna is PCB antenna, the best case gain of the antenna is 1.87dBi
BT ANT
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 11 of 43
Report No.: GTS201807000079F01
7.2 Conducted Peak Output Power
Test Requirement:
FCC Part15 C Section 15.247 (b)(3)
Test Method:
ANSI C63.10:2013
Limit:
30dBm(for GFSK),20.97dBm(for EDR)
Test setup:
Test Instruments:
Refer to section 6.0 for details
Test mode:
Refer to section 5.2 for details
Pass
Test results:
Measurement Data
Mode
GFSK
Test channel
Peak Output Power
(dBm)
Lowest
-4.144
Middle
-5.285
Highest
-6.018
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Limit (dBm)
Result
30.00
Pass
Page 12 of 43
Report No.: GTS201807000079F01
Test plot as follows:
Test mode:
GFSK mode
Lowest channel
Middle channel
Highest channel
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 13 of 43
Report No.: GTS201807000079F01
7.3 20dB Emission Bandwidth
Test Requirement:
FCC Part15 C Section 15.247 (a)(2)
Test Method:
ANSI C63.10:2013
Limit:
N/A
Test setup:
Test Instruments:
Refer to section 6.0 for details
Test mode:
Refer to section 5.2 for details
Test results:
Pass
Measurement Data
Mode
GFSK
Test channel
20dB Emission Bandwidth
(MHz)
Lowest
1.036
Middle
1.033
Highest
1.030
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Result
PASS
Page 14 of 43
Report No.: GTS201807000079F01
Test plot as follows:
Test mode:
GFSK mode
Lowest channel
Middle channel
Highest channel
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 15 of 43
Report No.: GTS201807000079F01
7.4 Carrier Frequencies Separation
Test Requirement:
FCC Part15 C Section 15.247 (a)(1)
Test Method:
ANSI C63.10:2013
RBW=100KHz, VBW=300KHz, detector=Peak
Receiver setup:
GFSK,
-DQPSK & 8DSK: 0.025MHz or 2/3 of the 20dB bandwidth
(whichever is greater)
Limit:
Test setup:
Test Instruments:
Refer to section 6.0 for details
Test mode:
Refer to section 5.2 for details
Pass
Test results:
Measurement Data
Mode
GFSK
Test channel
Carrier Frequencies Separation
(kHz)
Limit (kHz)
Result
Lowest
1002
691
Pass
Middle
996
691
Pass
Highest
1002
691
Pass
Note: According to section 7.4
Mode
20dB bandwidth (kHz)
(worse case)
GFSK
1036
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Limit (kHz)
(Carrier Frequencies Separation)
691
Page 16 of 43
Report No.: GTS201807000079F01
Test plot as follows:
Modulation mode:
GFSK
Lowest channel
Middle channel
Highest channel
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 17 of 43
Report No.: GTS201807000079F01
7.5 Hopping Channel Number
Test Requirement:
FCC Part15 C Section 15.247 (a)(1)
Test Method:
ANSI C63.10:2013
RBW=100kHz, VBW=300kHz, Frequency range=2400MHz-2483.5MHz,
Detector=Peak
15 channels
Receiver setup:
Limit:
Test setup:
Test Instruments:
Refer to section 6.0 for details
Test mode:
Refer to section 5.2 for details
Pass
Test results:
Measurement Data:
Mode
Hopping channel numbers
Limit
Result
GFSK
79
15
Pass
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 18 of 43
Report No.: GTS201807000079F01
7.6 Dwell Time
Test Requirement:
FCC Part15 C Section 15.247 (a)(1)
Test Method:
Receiver setup:
ANSI C63.10:2013
RBW=1MHz, VBW=1MHz, Span=0Hz, Detector=Peak
Limit:
0.4 Second
Test setup:
Test Instruments:
Refer to section 6.0 for details
Test mode:
Refer to section 5.2 for details
Pass
Test results:
Measurement Data
Frequency
Packet
Dwell time(ms)
Limit(ms)
Result
2441MHz
DH1
135.36
400
Pass
2441MHz
DH3
267.84
400
Pass
2441MHz
DH5
312.00
400
Pass
The test period: T= 0.4 Second/Channel x 79 Channel = 31.6 s
Test channel: 2441MHz as blow
DH1 time slot=0.423 (ms)*(1600/ (2*79))*31.6=135.36ms
DH3 time slot=1.674 (ms)*(1600/ (4*79))*31.6=267.84ms
DH5 time slot= 2.925(ms)*(1600/ (6*79))*31.6=312.00ms
Test plot as follows:
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 19 of 43
Report No.: GTS201807000079F01
Test channel:
2441MHz
DH1
DH3
DH5
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 20 of 43
Report No.: GTS201807000079F01
7.7 Pseudorandom Frequency Hopping Sequence
Test Requirement:
FCC Part15 C Section 15.247 (a)(1) requirement:
Frequency hopping systems shall have hopping channel carrier frequencies separated by a minimum of
25 kHz or the 20 dB bandwidth of the hopping channel, whichever is greater.
Alternatively. Frequency hopping systems operating in the 2400-2483.5 MHz band may have hopping
channel carrier frequencies that are separated by 25 kHz or two-thirds of the 20 dB bandwidth of the
hopping channel, whichever is greater, provided the systems operate with an output power no greater
than 125 mW. The system shall hop to channel frequencies that are selected at the system hopping rate
from a Pseudorandom ordered list of hopping frequencies. Each frequency must be used equally on the
average by each transmitter. The system receivers shall have input bandwidths that match the hopping
channel bandwidths of their corresponding transmitters and shall shift frequencies in synchronization
with the transmitted signals.
EUT Pseudorandom Frequency Hopping Sequence
The pseudorandom sequence may be generated in a nine-stage shift register whose 5th and 9th stage
outputs are added in a modulo-two addition stage. And the result is fed back to the input of the first
stage. The sequence begins with the first ONE of 9 consecutive ONEs; i.e. the shift register is initialized
with nine ones.
• Number of shift register stages: 9
• Length of pseudo-random sequence: 29 -1 = 511 bits
• Longest sequence of zeros: 8 (non-inverted signal)
An example of Pseudorandom Frequency Hopping Sequence as follow:
Each frequency used equally on the average by each transmitter.
The system receivers have input bandwidths that match the hopping channel bandwidths of their
corresponding transmitters and shift frequencies in synchronization with the transmitted signals.
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 21 of 43
Report No.: GTS201807000079F01
7.8 Band Edge
7.8.1
Conducted Emission Method
Test Requirement:
FCC Part15 C Section 15.247 (d)
Test Method:
ANSI C63.10:2013
RBW=100kHz, VBW=300kHz, Detector=Peak
Receiver setup:
Limit:
In any 100 kHz bandwidth outside the frequency band in which the spread
spectrum intentional radiator is operating, the radio frequency power that
is produced by the intentional radiator shall be at least 20 dB below that in
the 100 kHz bandwidth within the band that contains the highest level of
the desired power, based on either an RF conducted or a radiated
measurement.
Test setup:
Test Instruments:
Refer to section 6.0 for details
Test mode:
Refer to section 5.2 for details
Pass
Test results:
Test plot as follows:
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 22 of 43
Report No.: GTS201807000079F01
GFSK Mode:
Test channel:
Lowest channel
No-hopping mode
Test channel:
Hopping mode
Highest channel
No-hopping mode
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Hopping mode
Page 23 of 43
Report No.: GTS201807000079F01
7.8.2
Radiated Emission Method
Test Requirement:
FCC Part15 C Section 15.209 and 15.205
Test Method:
ANSI C63.10:2013
Test Frequency Range:
All restriction band have been tested, and 2.3GHz to 2.5GHz band is the
worse case
Test site:
Measurement Distance: 3m
Frequency
Detector
Peak
Above 1GHz
Peak
Frequency
Receiver setup:
Limit:
Above 1GHz
RBW
VBW
1MHz
3MHz
1MHz
10Hz
Limit (dBuV/m @3m)
54.00
74.00
Remark
Peak Value
Average Value
Remark
Average Value
Peak Value
Test setup:
Test Procedure:
1. The EUT was placed on the top of a rotating table 1.5 meters above the
ground at a 3 meter camber. The table was rotated 360 degrees to
determine the position of the highest radiation.
2. The EUT was set 3 meters away from the interference-receiving
antenna, which was mounted on the top of a variable-height antenna
tower.
3. The antenna height is varied from one meter to four meters above the
ground to determine the maximum value of the field strength. Both
horizontal and vertical polarizations of the antenna are set to make the
measurement.
4. For each suspected emission, the EUT was arranged to its worst case
and then the antenna was tuned to heights from 1 meter to 4 meters
and the rota table was turned from 0 degrees to 360 degrees to find the
maximum reading.
5. The test-receiver system was set to Peak Detect Function and
Specified Bandwidth with Maximum Hold Mode.
6. If the emission level of the EUT in peak mode was 10dB lower than the
limit specified, then testing could be stopped and the peak values of the
EUT would be reported. Otherwise the emissions that did not have
10dB margin would be re-tested one by one using peak, quasi-peak or
average method as specified and then reported in a data sheet.
Test Instruments:
Refer to section 6.0 for details
Test mode:
Refer to section 5.2 for details
Test results:
Pass
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 24 of 43
Report No.: GTS201807000079F01
Test channel:
Peak value:
Lowest
Frequency
(MHz)
Read
Level
(dBuV)
Antenna
Factor
(dB/m)
Cable
Loss
(dB)
Preamp
Factor
(dB)
Level
(dBuV/m)
Limit Line
(dBuV/m)
Over
Limit
(dB)
Polarization
2310.00
40.59
26.91
3.56
35.87
35.19
74.00
38.81
Horizontal
2390.00
41.71
27.11
3.64
36.08
36.38
74.00
37.62
Horizontal
2310.00
40.35
26.91
3.56
35.87
34.95
74.00
-39.05
Vertical
2390.00
39.64
27.11
3.64
36.08
34.31
74.00
-39.69
Vertical
Average value:
Frequency
(MHz)
Read
Level
(dBuV)
Antenna
Factor
(dB/m)
Cable
Loss
(dB)
Preamp
Factor
(dB)
Level
(dBuV/m)
Limit Line
(dBuV/m)
Over
Limit
(dB)
Polarization
2310.00
27.11
26.91
3.56
35.87
21.71
54.00
-32.29
Horizontal
2390.00
26.99
27.11
3.64
36.08
21.66
54.00
-32.34
Horizontal
2310.00
27.14
26.91
3.56
35.87
21.74
54.00
-32.26
Vertical
2390.00
26.92
27.11
3.64
36.08
21.59
54.00
-32.41
Vertical
Test channel:
Peak value:
Highest
Frequency
(MHz)
Read
Level
(dBuV)
Antenna
Factor
(dB/m)
Cable
Loss
(dB)
Preamp
Factor
(dB)
Level
(dBuV/m)
Limit Line
(dBuV/m)
Over
Limit
(dB)
Polarization
2483.50
49.23
27.36
3.68
36.33
43.94
74.00
-30.06
Horizontal
2500.00
41.72
27.40
3.68
36.37
36.43
74.00
-37.57
Horizontal
2483.50
41.04
27.36
3.68
36.33
35.75
74.00
-38.25
Vertical
2500.00
41.63
27.40
3.68
36.37
36.34
74.00
-37.66
Vertical
Average value:
Frequency
(MHz)
Read
Level
(dBuV)
Antenna
Factor
(dB/m)
Cable
Loss
(dB)
Preamp
Factor
(dB)
Level
(dBuV/m)
Limit Line
(dBuV/m)
Over
Limit
(dB)
Polarization
2483.50
28.25
27.36
3.68
36.33
22.96
54.00
-31.04
Horizontal
2500.00
27.91
27.40
3.68
36.37
22.63
54.00
-31.37
Horizontal
2483.50
27.76
27.36
3.68
36.33
22.47
54.00
-31.53
Vertical
2500.00
27.82
27.40
3.68
36.37
22.53
54.00
-31.47
Vertical
Remark:
1. Final Level =Receiver Read level + Antenna Factor + Cable Loss – Preamplifier Factor
2. The emission levels of other frequencies are very lower than the limit and not show in test report.
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 25 of 43
Report No.: GTS201807000079F01
7.9 Spurious Emission
7.9.1
Conducted Emission Method
Test Requirement:
FCC Part15 C Section 15.247 (d)
Test Method:
ANSI C63.10:2013 and KDB558074 D01 Meas Guidance V04
Limit:
In any 100 kHz bandwidth outside the frequency band in which the spread
spectrum intentional radiator is operating, the radio frequency power that
is produced by the intentional radiator shall be at least 20 dB below that in
the 100 kHz bandwidth within the band that contains the highest level of
the desired power, based on either an RF conducted or a radiated
measurement.
Test setup:
Test Instruments:
Refer to section 6.0 for details
Test mode:
Refer to section 5.2 for details
Pass
Test results:
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 26 of 43
Report No.: GTS201807000079F01
Test channel:
Lowest channel
30MHz~25GHz
Test channel:
Middle channel
30MHz~25GHz
Test channel:
Highest channel
30MHz~25GHz
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 27 of 43
Report No.: GTS201807000079F01
7.9.2
Radiated Emission Method
Test Requirement:
FCC Part15 C Section 15.209
Test Method:
ANSI C63.10:2013
Test Frequency Range:
9kHz to 25GHz
Test site:
Measurement Distance: 3m
Receiver setup:
Frequency
Detector
RBW
VBW
Value
9KHz-150KHz
Quasi-peak
200Hz
600Hz
Quasi-peak
150KHz-30MHz
Quasi-peak
9KHz
30KHz
Quasi-peak
30MHz-1GHz
Quasi-peak
100KHz
300KHz
Quasi-peak
Peak
1MHz
3MHz
Peak
Peak
1MHz
10Hz
Average
Above 1GHz
Limit:
Limit (uV/m)
Value
Measurement
Distance
0.009MHz-0.490MHz
2400/F(KHz)
QP
300m
0.490MHz-1.705MHz
24000/F(KHz)
QP
300m
1.705MHz-30MHz
30
QP
30m
30MHz-88MHz
100
QP
88MHz-216MHz
150
QP
216MHz-960MHz
200
QP
960MHz-1GHz
500
QP
500
Average
5000
Peak
Frequency
Above 1GHz
Test setup:
3m
Below 30MHz
Below 1GHz
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 28 of 43
Report No.: GTS201807000079F01
Above 1GHz
Test Procedure:
1.
The EUT was placed on the top of a rotating table (0.8m for below 1G
and 1.5m for above 1G) above the ground at a 3 meter camber. The
table was rotated 360 degrees to determine the position of the highest
radiation.
2. The EUT was set 3 meters away from the interference-receiving
antenna, which was mounted on the top of a variable-height antenna
tower.
3. The antenna height is varied from one meter to four meters above the
ground to determine the maximum value of the field strength. Both
horizontal and vertical polarizations of the antenna are set to make the
measurement.
4. For each suspected emission, the EUT was arranged to its worst case
and then the antenna was tuned to heights from 1 meter to 4 meters
and the rota table was turned from 0 degrees to 360 degrees to find the
maximum reading.
5. The test-receiver system was set to Peak Detect Function and
Specified Bandwidth with Maximum Hold Mode.
6. If the emission level of the EUT in peak mode was 10dB lower than the
limit specified, then testing could be stopped and the peak values of the
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 29 of 43
Report No.: GTS201807000079F01
EUT would be reported. Otherwise the emissions that did not have
10dB margin would be re-tested one by one using peak, quasi-peak or
average method as specified and then reported in a data sheet.
Test Instruments:
Refer to section 6.0 for details
Test mode:
Refer to section 5.2 for details
Test results:
Pass
Measurement data:
Remark:
1. Pre-scan all kind of the place mode (X-axis, Y-axis, Z-axis), and found the Y-axis which it is worse case.
9kHz~30MHz
The low frequency, which started from 9 kHz to 30 MHz, was pre-scanned and the result which was 20 dB
lower than the limit line per 15.31(o) was not reported.
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 30 of 43
Report No.: GTS201807000079F01
Below 1GHz
Test mode:
Transmitting mode
Antenna Polarity:
Horizontal
Temp.:
27
Humidity.
55%
Global United Technology Services Co., Ltd.
No. 301-309, 3/F., Jinyuan Business Building, No.2, Laodong Industrial Zone,
Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102
Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960
Page 31 of 43
Download: HB197-3-G Bluetooth Keyboard Test Report GTS201807000079F01 BT3.0 Shenzhen Hangshi Technology Co., Ltd
Mirror Download [FCC.gov]HB197-3-G Bluetooth Keyboard Test Report GTS201807000079F01 BT3.0 Shenzhen Hangshi Technology Co., Ltd
Document ID3984946
Application IDWOeufoKQ3VFxBYDbqMWpug==
Document DescriptionTest report part 1
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Date Submitted2018-08-30 00:00:00
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