00NB912 Glassbreak Detector Test Report Digital Security Controls .

Digital Security Controls . Glassbreak Detector

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KTL Test Report:
0R02420
Applicant:
Digital Security Controls Ltd.
3301 Langstaff Road
Vaughan, Ontario
L4K 4L2
Equipment Under Test:
(E.U.T.)
WLS912-433
FCC ID:
F5300NB912
In Accordance With:
FCC Part 15, Subpart C
For Low Power Transmitters Operating Periodically
In The Band 40.66 - 40.77 MHz And Above 70 MHz
Tested By:
KTL Ottawa Inc.
3325 River Road, R.R. 5
Ottawa, Ontario K1V 1H2
Authorized By:
R. Grant, Wireless Group Manager
Date:
Total Number of Pages:
Master: ktlPT15231 Date: April 5, 2000
24
KTL Ottawa
FCC PART 15, SUBPART C
FOR LOW POWER TRANSMITTERS
PROJECT NO.: 0R02420
EQUIPMENT: WLS912-433
FCC ID: F5300NB912
Table of Contents
Section 1.
Summary of Test Results.......................................................................................... 3
Section 2.
Equipment Under Test (E.U.T.) .............................................................................. 5
Section 3.
Transmission Requirements .................................................................................... 9
Section 4.
Radiated Emissions................................................................................................. 14
Section 5.
Occupied Bandwidth.............................................................................................. 17
Section 6.
Block Diagrams....................................................................................................... 20
Section 7. Test Equipment List ................................................................................................ 22
Annex A
Restricted Bands..................................................................................................... A1
Page 2 of 22
KTL Ottawa
FCC PART 15, SUBPART C
FOR LOW POWER TRANSMITTERS
PROJECT NO.: 0R02420
EQUIPMENT: WLS912-433
FCC ID: F5300NB912
Section 1.
Summary of Test Results
General
All measurements are traceable to national standards.
These tests were conducted on a sample of the equipment for the purpose of demonstrating
compliance with Part 15, Subpart C, Paragraph 15.231. All tests were conducted using
measurement procedure ANSI C63.4-1992. Radiated emissions are made on an open area test
site. A description of the test facility is on file with the FCC.
D S
New Submission
Production Unit
Class II Permissive Change
Pre-Production Unit
Equipment Code
THIS TEST REPORT RELATES ONLY TO THE ITEM(S) TESTED.
THE FOLLOWING DEVIATIONS FROM, ADDITIONS TO, OR EXCLUSIONS FROM THE TEST
SPECIFICATIONS HAVE BEEN MADE.
See “ Summary of Test Data”.
NVLAP LAB CODE: 100351-0
TESTED BY: _____________________________________ DATE: ___________________
Kevin Carr, Technologist
KTL Ottawa Inc. authorizes the above named company to reproduce this report provided it is reproduced in its entirety and for
use by the company’s employees only.
Any use which a third party makes of this report, or any reliance on or decisions to be made based on it, are the responsibility of
such third parties. KTL Ottawa Inc. accepts no responsibility for damages, if any, suffered by any third party as a result of
decisions made or actions based on this report.
This report applies only to the items tested.
Page 3 of 22
KTL Ottawa
FCC PART 15, SUBPART C
FOR LOW POWER TRANSMITTERS
PROJECT NO.: 0R02420
EQUIPMENT: WLS912-433
FCC ID: F5300NB912
Summary Of Test Data
Name of Test
Transmission Requirements
Radiated Emissions
Occupied Bandwidth
Frequency Tolerance
Periodic Alternate Field Strength Requirements
Powerline Conducted Emissions
Para. Number
15.231(a)
15.231(b)
15.231(c)
15.231(d)
15.231(e)
15.207
Results
Complies
Complies
Complies
Not Applicable
Not Applicable
Not Applicable
Footnotes For N/A’s:
Test Conditions:
Indoor
Temperature: 24 °C
Humidity:
40 %
Outdoor
Temperature: 15 °C
Humidity:
40 %
Page 4 of 22
KTL Ottawa
FCC PART 15, SUBPART C
FOR LOW POWER TRANSMITTERS
PROJECT NO.: 0R02420
EQUIPMENT: WLS912-433
FCC ID: F5300NB912
Section 2.
Equipment Under Test (E.U.T.)
General Equipment Information
Manufacturer:
Digital Control Systems
Model No.:
WLS912-433
Serial No.:
None
Date Received In Laboratory:
April 24, 2000
KTL Identification No.:
Items #1 & 4
Frequency Range:
433.92 MHz, Fixed Frequency
Operating Frequency(ies) of Sample:
Type of Emission:
Pulse Width Modulation
Emission Designator:
338KL1D
Supply Power Requirement:
4AA Batteries
Duty Cycle Calculation:
20 Log
12.25ms
= -18.2 dB
100ms
Page 5 of 22
KTL Ottawa
FCC PART 15, SUBPART C
FOR LOW POWER TRANSMITTERS
PROJECT NO.: 0R02420
EQUIPMENT: WLS912-433
FCC ID: F5300NB912
Data Transmission Format
The transmitted data packet is a fixed length, amplitude modulated packet. The packet contains
all of the necessary information to indicate which sensor generated the packet, the type of sensor
and the status of the sensor’s inputs. The data is sent at a rate of 500 µS per bit or 2 Kbits per
second.
Figure 1 shows the bit timing used for all bits in the packet. Where a low logic present for the
500 µS bit time represents a data logic “0” and 250 µS low then 250 µS high represents a data
logic “1”.
Figure 1 – Bit Timing
500 µS bit time : data logic "0"
250 µS
250 µS
250 µS
250 µS
500 µS bit time : data logic "1"
Figure 2 shows the format of the transmitted data packet. Bytes highlighted in green are bytes
that are variable information that would depend on the current status, module type and serial
number of the particular device.
Figure 2 – Data Packet Format
Header
(2.5 ms Constant
Modulation)
Status Byte
(8 bits)
Sync bits
(4 bits)
Module Serial
Type
Number
(4 bits) Digit 1
(4 bits)
Start bit
(1 bit)
Start bit
(1 bit)
Serial Number
Digits 2 and 3
(8 bits)
Serial Number
Digits 4 and 5
(8 bits)
Start bit
(1 bit)
CRC Byte
(8 bits)
Start bit
(1 bit)
Because these bytes are variable there is a best and worst case packet when considering ON
Time.
Page 6 of 22
KTL Ottawa
FCC PART 15, SUBPART C
FOR LOW POWER TRANSMITTERS
PROJECT NO.: 0R02420
EQUIPMENT: WLS912-433
FCC ID: F5300NB912
Diagram 1 – Maximum / Minimum Packet ON Times
Packet
Component
Header
Sync Bits
Status
Start Bit
Module
Type
Serial #
Digit 1
Start Bit
Serial #
Digit 2&3
Start Bit
Serial #
Digit 4&5
Start Bit
CRC
Description
2.5 ms Of Carrier Frequency To Indicate Start of
Packet
4 Logic ‘1’ Bits For Synchronization
Status Information:
Minimum Valid Value = 80 hex (1000
0000 Binary)
Maximum Valid Value = FF hex (1111
1111 Binary)
1 Logic ‘1’ Bit For Synchronization
Valid Module Types Currently Used Are:
2 Hex (0010 Binary), 3 Hex (0011 Binary)
4 Hex (0100 Binary), 5 Hex (0101 Binary)
6 Hex (0110 Binary), 9 Hex (1001 Binary)
Minimum Valid Value = 2 or 4 Hex
Maximum Valid Value = 3,5,6 or 9 Hex
Minimum Valid Value = 0 Hex (0000
Binary)
Maximum Valid Value = F Hex (1111
Binary)
1 Logic ‘1’ Bit For Synchronization
Minimum Valid Value = 01 Hex (0000
0001 Binary)
Maximum Valid Value = F0 Hex (1111
1110 Binary)
1 Logic ‘1’ Bit For Synchronization
Minimum Valid Value = 01 Hex (0000
0001 Binary)
Maximum Valid Value = F0 Hex (1111
1110 Binary)
1 Logic ‘1’ Bit For Synchronization
Cyclic Redundancy Check Value
CRC Byte Calculated From Above Minimum Values
= 39 Hex (0011 1001 Binary)
CRC Byte Calculated From Above Maximum Values
= 91 Hex (1001 0001 Binary)
Total Maximum ON Time Based On Valid Packet Information
Total Minimum ON Time Based On Valid Packet Information
Total Packet Time
No. Of
Bits
—
Maximum
ON Time
2.5 ms
Minimum
ON Time
2.5 ms
Total
Time
2.5 ms
1 ms
1 ms
2 ms
4 ms
—
0.25 ms
2 ms
—
0.25 ms
0.25 ms
—
0.5 ms
—
0.25 ms
—
0 ms
1 ms
—
0.25 ms
—
0.25 ms
0.25 ms
1.75 ms
—
0.25 ms
—
0.25 ms
0.25 ms
1.75 ms
—
0.25 ms
0.25 ms
0.5 ms
—
1 ms
4 ms
0.75 ms
—
0.5 ms
2 ms
2 ms
0.5 ms
4 ms
0.5 ms
4 ms
12.25 ms
6.50 ms
26.5 ms
Page 7 of 22
KTL Ottawa
FCC PART 15, SUBPART C
FOR LOW POWER TRANSMITTERS
PROJECT NO.: 0R02420
EQUIPMENT: WLS912-433
FCC ID: F5300NB912
Minimum ON Time
The packet with the minimum ON Time would be:
2.5 ms header + 1111 + 1000 0000 + 1 + 0010 0000 + 1 + 0000 0001 +1 + 0000 0001 + 1 + 0011 1001
Thus the minimum ON Time would be:
2.5 ms + (16 ON bits * 0.25 ms per bit)
2.5 ms + 4 ms
6.5 ms
Maximum ON Time
The packet with the maximum on time would be:
2.5 ms header + 1111 + 1111 1111 + 1 + 0110 1111 + 1 + 1111 1110 + 1 + 1111 1110 + 1 + 1001 0001
Thus the maximum ON Time would be:
2.5 ms + (39 ON bits * 0.25 ms per bit)
2.5 ms + 9.75 ms
12.25 ms
The components of the data packet are broken down in Table 1 (see previous page), showing the
maximum and minimum ON Times for the packet. These maximum and minimum ON Times are
based on best and worst case possible information that is transmitted by the devices.
Page 8 of 22
KTL Ottawa
FCC PART 15, SUBPART C
FOR LOW POWER TRANSMITTERS
PROJECT NO.: 0R02420
EQUIPMENT: WLS912-433
FCC ID: F5300NB912
Page 9 of 22
KTL Ottawa
FCC PART 15, SUBPART C
FOR LOW POWER TRANSMITTERS
PROJECT NO.: 0R02420
EQUIPMENT: WLS912-433
FCC ID: F5300NB912
Page 10 of 22
KTL Ottawa
FCC PART 15, SUBPART C
FOR LOW POWER TRANSMITTERS
PROJECT NO.: 0R02420
EQUIPMENT: WLS912-433
FCC ID: F5300NB912
Section 3.
Transmission Requirements
Para. No.: 15.231(a)
Test Performed By: Kevin Carr
Minimum Standard:
Date of Test: April 24, 2000
15.231(a) Continuous transmissions such as voice, video or data
transmissions are not permitted.
15.231(a)(1) A manually operated transmitter shall employ a switch
that will automatically deactivate the transmitter within not more
than 5 seconds after being released.
15.231(a)(2) A transmitter activated automatically shall cease
transmission within 5 seconds of activation.
15.231(a)(3) Periodic transmissions at regular pre-determined
intervals are not permitted. However polling or supervisory
transmissions to determine system integrity of transmitters used in
security or safety applications are allowed if the periodic rate of
transmission does not exceed one transmission of not more than one
second duration per hour for each transmitter.
15.231(a)(4) Intentional radiators which are employed for radio
control purposes during emergencies involving fire, security, and
safety of life, when activated to signal an alarm, may operate during
the pendency of the alarm.
Test Results:
Complies.
Test Data:
Compliance was determined by verification of
specifications and a functional test on the equipment.
technical
Page 11 of 22
KTL Ottawa
FCC PART 15, SUBPART C
FOR LOW POWER TRANSMITTERS
PROJECT NO.: 0R02420
EQUIPMENT: WLS912-433
FCC ID: F5300NB912
Rationale for Compliance with Transmission Requirements
15.231(a)(1) :
Not applicable. This equipment has no provision for manual activation.
15.231(a)(2) :
The maximum transmission duration is 1.0 sec.
15.231(a)(3) :
Not applicable. This equipment has no provision for periodic operation.
15.231(a)(4) :
Not applicable.
Page 12 of 22
KTL Ottawa
FCC PART 15, SUBPART C
FOR LOW POWER TRANSMITTERS
PROJECT NO.: 0R02420
EQUIPMENT: WLS912-433
FCC ID: F5300NB912
Page 13 of 22
KTL Ottawa
FCC PART 15, SUBPART C
FOR LOW POWER TRANSMITTERS
PROJECT NO.: 0R02420
EQUIPMENT: WLS912-433
FCC ID: F5300NB912
Section 4.
Radiated Emissions
Para. No.: 15.231(b)
Test Performed By: Kevin Carr
Date of Test: April 26, 2000
Minimum Standard:
Permissible Field Strength Limits (Momentarily Operated Devices
Fundamental Frequency
(MHz)
Field Strength of Fundamental
Microvolts/Meter at 3 meters; (watts)
Field Strength of Unwanted Emissions
Microvolts/Meter at 3 meters; (watts)
40.66 - 40.70
70-130
130-174
174-260 (note 1)
260-470 (note 1)
Above 470
2,250
1, 250
1,250 to 3,750*
3,750
3,750 to 12,500*
12,500
225
125
125 to 375
375
375 to 1,250
1,250
Notes:
# Use quasi-peak or averaging meter.
* Linear interpolation with frequency F in MHz
For 130 - 174 MHz: FS (microvolts/m) = (56.82 x F) - 6136
For 260 - 470 MHz: FS (microvolts/m) = (41.67 x F) - 7083
Any emissions that fall within the restricted bands of 15.205 shall not exceed the following limits:
Frequency
(MHz)
30 - 88
88 - 216
216 - 960
Above 960
Field Strength
µV/m @ 3m)
(µ
100
150
200
500
Field Strength
(dB @ 3m)
40.0
43.5
46.0
54.0
Test Results:
Complies. The worst-case emission level is 77.8 dBµV/m @ 3m at
433.92 MHz. This is 3.0 dB below the specification limit.
Test Data:
See attached table.
Above 1 GHz a spectrum analyzer and low noise amplifier are used to
measure emission levels. The spectrum analyzer resolution bandwidth
was set to 1 MHz and video bandwidth was 3 MHz.
In the case of handheld equipment, the E.U.T. is rotated in three planes to
obtain worst-case results.
Page 14 of 22
KTL Ottawa
FCC PART 15, SUBPART C
FOR LOW POWER TRANSMITTERS
PROJECT NO.: 0R02420
EQUIPMENT: WLS912-433
FCC ID: F5300NB912
Test Data - Radiated Emissions
Test Distance
(meters) : 3
Freq.
(MHz)
Ant.
Range:
A Tower
Pol.
(V/H)
RCVD
Signal
(dBµ
µV/m)
Receiver:
ESVP
Ant.
Factor
(dB)**
Amp.
Gain
(dB)***
RBW
120 kHz, 1 MHz
Duty
Cycle
(dB)
Field
Strength
(dBµ
µV/m)
433.92
E/D4
70.1
25.9
-18.2
433.92
E/D4
59.7
25.9
-18.2
867.84
E/D4
17.0
34.4
-18.2
867.84
E/D4
11.4
34.4
-18.2
1301.0
Hrn2
19.7
29.4
-18.2
1301.7
Hrn2
19.0
29.4
-18.2
1735.7
Hrn2
31.2
32.1
-18.2
1735.7
Hrn2
31.3
32.1
-18.2
2169.5
Hrn2
26.5
34.4
-18.2
2169.6
Hrn2
31.2
34.4
-18.2
2603.7
Hrn2
23.3
36.0
-18.2
2603.5
Hrn2
24.7
36.0
-18.2
3037.43
Hrn2
19.0
37.6
-18.2
3037.4
Hrn2
16.8
37.6
-18.2
3471.4
Hrn2
25.5
40.4
-18.2
3471.4
Hrn2
27.0
40.4
-18.2
3905.3
Hrn2
25.8
41.3
-18.2
3905.3
Hrn2
21.2
41.3
-18.2
4339.2
Hrn2
17.2
41.8
-18.2
4339.2
Hrn2
16.8
41.8
-18.2
Notes:
B/C = Biconical, B/L = Biconilog, L/P = Log-Periodic, H = Horn, D/P = Dipole
Re-measured using dipole antenna.
**
Includes cable loss when amplifier is not used.
***
Includes cable loss.
()
Denotes failing emission level.
N.D. = Not Detected
77.8
67.4
33.2
27.6
30.9
30.2
45.1
45.2
42.7
47.4
41.1
42.5
38.4
36.2
47.7
49.2
48.9
44.3
40.8
40.4
Detector:
CISPR, PEAK
Limit
(dBµ
µV/m)
Margin
(dB)
80.8
80.8
60.8
60.8
54.0
54.0
60.8
60.8
60.8
60.8
60.8
60.8
60.8
60.8
60.8
60.8
54.0
54.0
54.0
54.0
3.0
13.4
27.6
33.2
23.1
23.8
15.7
15.6
18.1
13.4
19.7
18.3
22.4
24.6
13.1
11.6
5.1
9.7
13.2
13.6
Page 15 of 22
KTL Ottawa
FCC PART 15, SUBPART C
FOR LOW POWER TRANSMITTERS
PROJECT NO.: 0R02420
EQUIPMENT: WLS912-433
FCC ID: F5300NB912
Radiated Photographs (Worst Case Configuration)
Front View
Page 16 of 22
KTL Ottawa
FCC PART 15, SUBPART C
FOR LOW POWER TRANSMITTERS
PROJECT NO.: 0R02420
EQUIPMENT: WLS912-433
FCC ID: F5300NB912
Section 5.
Occupied Bandwidth
Para. No.: 15.231(c)
Test Performed By: Kevin Carr
Date of Test: April 26, 2000
Minimum Standard:
15.231(c) The bandwidth of the emission shall be no wider than
0.25% of the center frequency for devices operating above 70
MHz and below 900 MHz. For devices operating above 900 MHz,
the emission shall be no wider than 0.5% of the center frequency.
Bandwidth is determined at the points 20 dB down from the
modulated carrier.
Test Results:
Complies. See attached graph.
Test Data:
See attached graph.
Page 17 of 22
KTL Ottawa
FCC PART 15, SUBPART C
FOR LOW POWER TRANSMITTERS
PROJECT NO.: 0R02420
EQUIPMENT: WLS912-433
FCC ID: F5300NB912
Page 18 of 22
KTL Ottawa
FCC PART 15, SUBPART C
FOR LOW POWER TRANSMITTERS
PROJECT NO.: 0R02420
EQUIPMENT: WLS912-433
FCC ID: F5300NB912
Page 19 of 22
KTL Ottawa
FCC PART 15, SUBPART C
FOR LOW POWER TRANSMITTERS
PROJECT NO.: 0R02420
EQUIPMENT: WLS912-433
FCC ID: F5300NB912
Section 6.
Block Diagrams
Radiated Prescan
ANTENNA
E.U.T.
SPECTRUM ANALYZER
AND PLOTTER OR TEST
RECEIVER
SHIELDED ROOM
COMPUTER
Outdoor Test Site For Radiated Emissions
3 METERS
SEARCH ANTENNA
0.8 METER
VARIABLE
SEARCH
HEIGHT (1 TO 4 m)
E.U.T.
NON-CONDUCTING
TURN-TABLE
TO TEST RECEIVER/SPECTRUM
ANALYZER
The spectrum was searched up to the 10th harmonic of the fundamental frequency of operation.
Page 20 of 22
KTL Ottawa
FCC PART 15, SUBPART C
FOR LOW POWER TRANSMITTERS
PROJECT NO.: 0R02420
EQUIPMENT: WLS912-433
FCC ID: F5300NB912
Occupied Bandwidth
E.U.T.
Spectrum
Analyzer
Plotter
Page 21 of 22
KTL Ottawa
FCC PART 15, SUBPART C
FOR LOW POWER TRANSMITTERS
PROJECT NO.: 0R02420
EQUIPMENT: WLS912-433
FCC ID: F5300NB912
Section 7. Test Equipment List
CAL
CYCLE
1 Year
1 Year
1 Year
1 Year
1 Year
EQUIPMENT
MANUFACTURER
MODEL
SERIAL
LAST CAL.
NEXT CAL.
Spectrum Analyzer
Receiver
Horn Antenna
Dipole Antenna Set
Biconical (1) Antenna
Hewlett Packard
Rohde & Schwarz
EMCO #2
EMCO #2
EMCO
8565E
ESVP
3115
3121C
3109
FA000981
892661/014
4336
FA001349
9204-2708
June 16/99
Apr. 5/2000
Nov. 11/99
Apr. 5/99
Aug. 4/99
June 16/00
Apr. 5/2001
Nov. 11/00
Apr. 5/00
Aug. 4/00
NA: Not Applicable
NCR: No Cal Required
COU: CAL On Use
Page 22 of 22
KTL Ottawa
FCC PART 15, SUBPART C
FOR LOW POWER TRANSMITTERS
PROJECT NO.: 0R02420
ANNEX A
EQUIPMENT: WLS912-433
FCC ID: F5300NB912
Annex A
Restricted Bands
Page A1 of A2
KTL Ottawa
FCC PART 15, SUBPART C
FOR LOW POWER TRANSMITTERS
PROJECT NO.: 0R02420
ANNEX A
EQUIPMENT: WLS912-433
FCC ID: F5300NB912
Section A
Restricted Bands of Operation
(a) Except as shown in paragraph (d) of this section , only spurious emissions are permitted in
any of the frequency bands listed below:
MHz
0.090 - 0.110
0.49 - 0.51
2.1735 - 2.1905
3.020 - 3.026
4.125 - 4.128
4.17725 - 4.17775
4.20725 - 4.20775
6.215 - 6.218
6.31175 - 6.31225
8.291 - 8.294
8.362 - 8.366
8.37625 - 8.38675
8.41425 - 8.41475
12.29 - 12.293
12.51975 - 12.52025
12.57675 - 12.57725
13.36 - 13.41
MHz
16.42-16.423
16.69475-16.69525
16.80425-16.80475
25.5-25.67
37.5-38.25
73-74.6
74.8-75.2
108-121.94
123-138
149.9-150.05
156.52475-156.52525
156.7-156.9
162.0125-167.17
167.72-173.2
240-285
322-335.4
MHz
399.9-410
608-614
960-1240
1300-1427
1435-1626.6
1645.5-1646.5
1660-1710
1718.8-1722.2
2220-2300
2310-2390
2483.5-2500
2655-2900
3260-3267
3332-3339
3345.8-3358
3600-4400
GHz
4.5-5.15
5.35-5.46
7.25-7.75
8.025-8.5
9.0-9.2
9.3-9.5
10.6-12.7
13.25-13.4
14.47-14.5
15.35-16.2
17.7-21.4
22.01-23.12
23.6-24.0
31.2-31.8
36.43-36.5
Above 38.6
Page A2 of A2
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Linearized                      : Yes
Create Date                     : 2000:05:19 06:48:19
Producer                        : Acrobat Distiller 4.0 for Windows
Modify Date                     : 2000:05:19 06:48:20-04:00
Page Count                      : 24