WU300AS smart phone RF Exposure Info I18Z62006-SEM01_SAR_Rev7_2 WIKO

WIKO smart phone

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No. I18Z62006-SEM01
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Table 11-17 LTE2500-TDD41 #2 PC3 AP OFF
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Table 11-18 LTE2500-TDD41 #3 PC2 AP ON
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Table 11-19 LTE2500-TDD41 #4 PC2 AP OFF
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No. I18Z62006-SEM01
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According to November 2017 TCB workshop, Uplink CA SAR Test Guidance as follows:
a) When the maximum output for UL CA is ≤standalone LTE mode(without CA)
·PCC is configured according to the highest standalone SAR configuration tested
·SCC and subsequent CCs are configured according to procedures used for power
measurement and parameters (BW, RB etc.) similar to that used for the PCC
b) When the Reported SAR for UL CA configuration, described above, is>1.2W/kg, UL CA SAR
is also required for all required test channels(PCC based)
c) UL CA SAR is also required for standalone SAR configurations>1.2W/kg when they are
scaled to the UL CA power level.
The measurement results of downlink LTE CA Conducted Power are as below (AP OFF):
PCC
DL LTE
SCC
SCC
PCC
PCC
PCC
PCC
PCC
CA
PCC
Band
UL
UL
DL
DL
PCC UL
PCC DL
SCC
Band
Class
Band
width
RB
RB
RB
RB
Channel
Channel
Band
width
(MHz)
size
offset
size
offset
(MHz)
Power
SCC
DL
Channel
Rel 8
DL LTE CA
LTETx
Tx
Tune-
Power(
Power(dBm
up
dBm)
25A-25A
25
20
50
100
26590
8590
25
20
8140
23.14
23.32
24
25A-26A
25
20
50
100
26590
8590
26
15
8865
23.14
23.32
24
25
20
50
100
26590
8590
41
20
40620
23.14
23.33
24
26
15
74
75
26965
8965
25
20
8365
23.09
23.29
24
41
20
50
100
39750
39750
25
20
8365
23.29
23.31
23.5
41
20
50
100
39750
39750
41
20
39948
23.29
23.26
23.5
41
20
50
100
39750
39750
41
20
39948
26.34
26.29
26.5
25A-41A
PC3
26A-25A
41A-25A
PC3
41C
PC3
41C
PC2
Note: Testing is not required in bands or modes not intended/allowed for US operation.
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No. I18Z62006-SEM01
Page 56 of 246
The measurement results of uplink LTE CA Conducted Power are as below (AP OFF):
PCC
UL LTE
CA Class
41C
PC3
41C
PC2
SCC
SCC
Power
Rel 8
PCC
PCC
PCC
PCC
PCC
PCC
Band
UL
UL
DL
DL
PCC UL
PCC DL
SCC
Band
Band
width
RB
RB
RB
RB
Channel
Channel
Band
width
(MHz)
size
offset
size
offset
41
20
50
100
39750
39750
41
20
39948
23.29
23.25
23.5
41
20
50
100
39750
39750
41
20
39948
26.34
26.25
26.5
(MHz)
SCC
UL
Channel
LTETx
UL LTE CA
Tx Power
Power(
(dBm)
dBm)
Tuneup
Note: Testing is not required in bands or modes not intended/allowed for US operation.
The measurement results of downlink LTE CA Conducted Power are as below (AP ON):
PCC
DL LTE
CA Class
41A-25A
PC3
41C
PC3
41C
PC2
SCC
Power
Rel 8
DL LTE CA
LTETx
Tx
Tune-
Power(
Power(dBm
up
dBm)
8365
22.32
22.18
22.5
20
39948
22.32
22.36
22.5
20
39948
25.38
25.19
25.5
SCC
PCC
PCC
PCC
PCC
PCC
PCC
Band
UL
UL
DL
DL
PCC UL
PCC DL
SCC
Band
Band
width
RB
RB
RB
RB
Channel
Channel
Band
width
(MHz)
size
offset
size
offset
41
20
50
100
39750
39750
25
20
41
20
50
100
39750
39750
41
41
20
50
100
39750
39750
41
(MHz)
SCC
DL
Channel
Note: Testing is not required in bands or modes not intended/allowed for US operation.
The measurement results of uplink LTE CA Conducted Power are as below (AP ON):
PCC
UL LTE
CA Class
41C
PC3
41C
PC2
SCC
SCC
PCC
PCC
PCC
PCC
PCC
PCC
Band
UL
UL
DL
DL
PCC UL
PCC DL
SCC
Band
Band
width
RB
RB
RB
RB
Channel
Channel
Band
width
(MHz)
size
offset
size
offset
41
20
50
100
39750
39750
41
20
41
20
50
100
41292
41292
41
20
(MHz)
Power
Rel 8
UL LTE CA
LTETx
Tx
Tune-
Power(
Power(dBm
up
dBm)
39948
22.32
22.31
22.5
41490
25.38
25.24
25.5
SCC
UL
Channel
Note: Testing is not required in bands or modes not intended/allowed for US operation.
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No. I18Z62006-SEM01
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Table 11-20 LTE700-FDD71 #1
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No. I18Z62006-SEM01
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11.5 Wi-Fi and BT Measurement result
The output power of BT antenna is as following:
Table 11-21 Bluetooth Power
Bluetooth Power
Mode
Channel
78
GFSK
39
78
EDR2M-4_DQPSK
39
78
EDR3M-8DPSK
39
Frequence
Tune-up
Measured
2480 MHz
2441 MHz
2402 MHz
2480 MHz
2441 MHz
2402 MHz
2480 MHz
2441 MHz
2402 MHz
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
8.5
7.95
8.05
7.26
7.31
7.38
6.63
7.35
7.61
6.68
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No. I18Z62006-SEM01
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The average conducted power for Wi-Fi is as following:
Table 11-22 WLAN2450 #1 Receiver OFF
WLAN2450 #1 Normal
Band
Mode
802.11b
802.11g
W LA N 2.4G
20M
802.11n
20M
Channel
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
Frequence
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
Data Rate
1Mbps
2Mbps
5.5Mbps
11Mbps
6Mbps
9Mbps
12Mbps
18Mbps
24Mbps
36Mbps
48Mbps
54Mbps
MCS0
MCS1
MCS2
MCS3
MCS4
MCS5
MCS6
MCS7
Tune-up
20.00
20.00
20.00
20.00
20.00
20.00
20.00
20.00
17.00
19.50
19.50
19.50
19.50
19.00
18.50
18.50
18.00
18.00
17.00
19.50
19.50
19.50
19.50
18.50
18.50
18.00
18.00
18.00
Measured
19.41
19.57
19.49
19.53
19.55
19.74
19.64
19.48
15.74
18.37
18.24
18.36
18.36
17.71
17.27
17.26
16.88
16.89
15.72
18.31
18.15
18.10
18.11
17.23
17.20
16.55
16.56
16.57
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No. I18Z62006-SEM01
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Table 11-23 WLAN2450 #2 Low Power Receiver ON
WLAN2450 #2 Low Power
Band
Mode
802.11b
802.11g
W LA N 2.4G
20M
802.11n
20M
Channel
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
Frequence
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
2462 MHz
2437 MHz
2412 MHz
Data Rate
1Mbps
2Mbps
5.5Mbps
11Mbps
6Mbps
9Mbps
12Mbps
18Mbps
24Mbps
36Mbps
48Mbps
54Mbps
MCS0
MCS1
MCS2
MCS3
MCS4
MCS5
MCS6
MCS7
Tune-up
17.00
17.00
17.00
17.00
17.00
17.00
15.00
17.50
17.50
17.50
17.50
17.50
16.50
16.50
16.00
16.00
15.00
17.50
17.50
17.50
17.50
16.00
16.00
16.00
15.50
15.50
Measured
16.36
16.49
16.39
16.41
16.47
16.44
13.66
16.18
16.23
16.01
16.00
15.59
15.14
15.12
14.98
14.76
13.40
16.14
15.88
15.92
15.91
14.78
14.76
14.32
14.34
14.33
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No. I18Z62006-SEM01
Page 61 of 246
12 Simultaneous TX SAR Considerations
12.1 Introduction
The following procedures adopted from “FCC SAR Considerations for Cell Phones with Multiple
Transmitters” are applicable to handsets with built-in unlicensed transmitters such as 802.11 a/b/g
and Bluetooth devices which may simultaneously transmit with the licensed transmitter.
For this device, the BT and Wi-Fi can transmit simultaneous with other transmitters.
12.2 Transmit Antenna Separation Distances
Picture 12.1 Antenna Locations
12.3 SAR Measurement Positions
According to the KDB941225 D06 Hot Spot SAR v02r01, the edges with less than 2.5 cm distance
to the antennas need to be tested for SAR.
SAR measurement positions
Mode
Front
Rear
Left edge
Right edge
Top edge
Bottom edge
Main antenna
Yes
Yes
Yes
Yes
No
Yes
WLAN
Yes
Yes
No
Yes
Yes
No
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No. I18Z62006-SEM01
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12.4 Standalone SAR Test Exclusion Considerations
Standalone 1-g head or body SAR evaluation by measurement or numerical simulation is not
required when the corresponding SAR Exclusion Threshold condition, listed below, is satisfied.
The 1-g SAR test exclusion threshold for 100 MHz to 6 GHz at test separation distances ≤ 50 mm
are determined by:
[(max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)] ·
[√f(GHz)] ≤ 3.0 for 1-g SAR, where
 f(GHz) is the RF channel transmit frequency in GHz
 Power and distance are rounded to the nearest mW and mm before calculation
 The result is rounded to one decimal place for comparison
Table 12.1: Standalone SAR test exclusion considerations
SAR test
Band/Mode
F(GHz)
Position
RF output power
dBm
mW
SAR test
exclusion
exclusion
threshold
(mW)
Bluetooth
2.441
2.4GHz WLAN 802.11 b
2.45
Head
9.6
8.50
7.08
Yes
Body
19.2
8.50
7.08
Yes
Head
9.58
17.00
50.12
No
Body
19.17
21.00
125.89
No
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No. I18Z62006-SEM01
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13 Evaluation of Simultaneous
Table 13.1: The sum of reported SAR values for main antenna and WiFi
Maximum reported
SAR value for Head
Maximum reported
SAR value for Body
Position
Main
antenna
WLAN
2.4G
Sum
Distance
(mm)
Ratio
Left hand,
Touch cheek
(WCDMA1900)
0.68
0.91
1.59
Rear
(CDMA BC1)
1.34
0.37
1.71
103.25
0.02
Rear
(LTE Band41
PC2)
0.31
0.37
(10mm)
0.68
According to the KDB 447498 D01, when the sum of SAR is larger than the limit, SAR test
exclusion is determined by the SAR to peak location separation ratio. The ratio is determined by
(SAR1 + SAR2)1.5/Ri, rounded to two decimal digits, and must be ≤ 0.04 for all antenna pairs in
the configuration to qualify for 1-g SAR test exclusion.
Table 13.2: The sum of reported SAR values for main antenna and BT
Position
Main antenna
BT
Sum
Maximum reported
SAR value for Head
Left hand, Touch cheek
(WCDMA1900)
0.68
0.05
0.73
Maximum reported
SAR value for Body
Rear
(CDMA BC1)
1.34
0.15
1.49
Maximum reported
SAR value for Body
Rear
(LTE Band41 PC2)
0.31
0.10
0.41
[1] - Estimated SAR for Bluetooth (see the table 13.3) Except Body SAR
Table 13.3: Estimated SAR for Bluetooth
Mode/Band
F (GHz)
Position
Distance
(mm)
Bluetooth
2.441
Head
Bluetooth
2.441
Bluetooth
2.441
Upper limit of power *
Estimated1g
dBm
mW
(W/kg)
0.50
1.12
0.05
Body
10
8.50
7.08
0.15
Body
15
8.50
7.08
0.10
* - Maximum possible output power declared by manufacturer
When standalone SAR test exclusion applies to an antenna that transmits simultaneously with
other antennas, the standalone SAR must be estimated according to following to determine
simultaneous transmission SAR test exclusion:
(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance,
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No. I18Z62006-SEM01
Page 64 of 246
mm)]·[√f(GHz)/x] W/kg for test separation distances ≤ 50 mm;
where x = 7.5 for 1-g SAR.
When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine
SAR test exclusion
Conclusion:
According to the above tables, the sum of reported SAR values is<1.6W/kg. So the simultaneous
transmission SAR with volume scans is not required.
14 SAR Test Result
It is determined by user manual for the distance between the EUT and the phantom bottom.
The distance is 0/10/15mm and just applied to the condition of body worn accessory.
It is performed for all SAR measurements with area scan based 1-g SAR estimation (Fast SAR). A
zoom scan measurement is added when the estimated 1-g SAR is the highest measured SAR in
each exposure configuration, wireless mode and frequency band combination or more than
1.2W/kg.
The calculated SAR is obtained by the following formula:
Reported SAR
Measured SAR
10
⁄
Where PTarget is the power of manufacturing upper limit;
PMeasured is the measured power in chapter 11.
Mode
Speech for GSM850/1900
Duty Cycle
1:8.3
GPRS&EGPRS for GSM850/1900
1:4
WCDMA<E
1:1
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No. I18Z62006-SEM01
Page 65 of 246
14.1 SAR results
Note: This product has two working power levels for WLAN and Cellular band LTE B41. WLAN
shall work in low power level if audio receiver is active (Receiver ON), so we test the head
SAR of WLAN with low power (Receiver ON) and test the body SAR with normal power
(Receiver OFF).
For the frequency band of Hotspot power reduction (LTE B41), the power reduction mechani
sm of this project is: when the Hotspot is turned on, the power is lowered, and the power is
normal when the Hotspot is turned off.
Head situation can work with both hotspot on and off, so the normal power can be measure
d for head SAR to obtain the maximum and most conservative SAR value.
When Hotspot is turned on, Body SAR is tested under 10mm with low power for hotspot mo
de according to the requirement of KDB 941225 D06.
When Hotspot is turned off, Body SAR is tested under 15mm with normal power for bodyworn mode.
Table 14-1 GSM850 #1 Head
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No. I18Z62006-SEM01
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Table 14-2 GSM850 #1 Body
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Page 67 of 246
Table 14-3 PCS1900 #1 Head
Table 14-4 PCS1900 #1 Body
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No. I18Z62006-SEM01
Page 68 of 246
Table 14-5 WCDMA1900-BII #1Head
Table 14-6 WCDMA1900-BII #1Body
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No. I18Z62006-SEM01
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Table 14-7 WCDMA1700-BIV #1Head
Table 14-8 WCDMA1700-BIV #1Body
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No. I18Z62006-SEM01
Page 70 of 246
Table 14-9 WCDMA850-BV #1Head
Table 14-10 WCDMA850-BV #1Body
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Document DescriptionI18Z62006-SEM01_SAR_Rev7_2
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Date Submitted2019-02-28 00:00:00
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