SRS-XB402M_5G_-FCC ID-Report Part 03 Rev01 0315

FCC ID: AK8SRSXB402

Test Report

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FCCID_4206035

AUDIX Technology (Shenzhen) Co., Ltd.
FCC ID: AK8SRSXB402

99% Occupied bandwidth:
Use the test method descried in ANSI C63.10 Section 6.9.2:
The occupied bandwidth is the frequency bandwidth such that, below its lower and above its upper
frequency limits, the mean powers are each equal to 0.5% of the total mean power of the given
emission. The following procedure shall be used for measuring 99% power bandwidth:
a) The instrument center frequency is set to the nominal EUT channel center frequency. The
frequency span for the spectrum analyzer shall be between 1.5 times and 5.0 times the OBW.
b) The nominal IF filter bandwidth (3 dB RBW) shall be in the range of 1% to 5% of the OBW,
and VBW shall be approximately three times the RBW, unless otherwise specified by the
applicable requirement.
c) Set the reference level of the instrument as required, keeping the signal from exceeding the
maximum input mixer level for linear operation. In general, the peak of the spectral envelope
shall be more than [10 log (OBW/RBW)] below the reference level. Specific guidance is given
in 4.1.5.2.
d) Step a) through step c) might require iteration to adjust within the specified range.
e) Video averaging is not permitted. Where practical, a sample detection and single sweep mode
shall be used. Otherwise, peak detection and max hold mode (until the trace stabilizes) shall be
used.
f) Use the 99% power bandwidth function of the instrument (if available) and report the measured
bandwidth.
g) If the instrument does not have a 99% power bandwidth function, then the trace data points are
recovered and directly summed in linear power terms. The recovered amplitude data points,
beginning at the lowest frequency, are placed in a running sum until 0.5% of the total is reached;
that frequency is recorded as the lower frequency. The process is repeated until 99.5% of the
total is reached; that frequency is recorded as the upper frequency. The 99% power bandwidth
is the difference between these two frequencies.
h) The occupied bandwidth shall be reported by providing plot(s) of the measuring instrument
display; the plot axes and the scale units per division shall be clearly labeled. Tabular data may
be reported in addition to the plot(s).

6.4.Test Results

Audix Technology (Shenzhen) Co., Ltd. Report No. ACS-F19023 Page 161 of 226

AUDIX Technology (Shenzhen) Co., Ltd.
FCC ID: AK8SRSXB402

5180-5240MHz Band:
26dB bandwidth
EUT: Wireless Speaker
M/N: SRS-XB402M
Test date: 2019-01-23 Pressure: 102.5±1.0 kpa Humidity: 53.1±3.0%
Tested by: Cote Test site: RF site Temperature:22.6±0.6 ℃

Test Frequency 26dB Bandwidth Limit
Mode （MHz） (MHz) (KHz)
5180 19.77 N/A
11a 5200 19.64 N/A
5240 19.64 N/A
5180 20.05 N/A
11n
5200 20.03 N/A
HT20
5240 20.00 N/A
11n 5190 40.34 N/A
HT40 5230 40.36 N/A
5180 20.08 N/A
11ac
5200 20.01 N/A
VHT20
5240 19.88 N/A
11ac 5190 39.94 N/A
VHT40 5230 40.04 N/A
11ac
5210 81.17 N/A
VHT80
Conclusion: PASS

99% Occupied bandwidth:
Test Frequency 99% bandwidth Limit
Mode （MHz） (MHz) (KHz)
5180 16.551 N/A
11a 5200 16.478 N/A
5240 16.504 N/A
5180 17.551 N/A
11n
5200 17.547 N/A
HT20
5240 17.554 N/A
11n 5190 36.138 N/A
HT40 5230 36.117 N/A
5180 17.535 N/A
11ac
5200 17.535 N/A
VHT20
5240 17.544 N/A
11ac 5190 36.111 N/A
VHT40 5230 36.079 N/A
11ac
5210 75.818 N/A
VHT80
Conclusion: PASS

Audix Technology (Shenzhen) Co., Ltd. Report No. ACS-F19023 Page 162 of 226

AUDIX Technology (Shenzhen) Co., Ltd.
FCC ID: AK8SRSXB402

5260-5320MHz Band:
26dB bandwidth
EUT: Wireless Speaker
M/N: SRS-XB402M
Test date: 2019-01-23 Pressure: 102.3±1.0 kpa Humidity: 51.6±3.0%
Tested by: Cote Test site: RF site Temperature:22.5±0.6 ℃

Test Frequency 26dB Bandwidth Limit
Mode （MHz） (MHz) (KHz)
5260 19.63 N/A
11a 5300 19.70 N/A
5320 19.63 N/A
5260 20.06 N/A
11n
5300 19.97 N/A
HT20
5320 20.08 N/A
11n 5270 40.79 N/A
HT40 5310 40.30 N/A
5260 20.08 N/A
11ac
5300 20.03 N/A
VHT20
5320 20.04 N/A
11ac 5270 40.13 N/A
VHT40 5310 40.06 N/A
11ac
5290 81.14 N/A
VHT80
Conclusion: PASS

99% Occupied bandwidth:
Test Frequency 99% bandwidth Limit
Mode （MHz）（MHz） (KHz)
5260 16.497 N/A
11a 5300 16.455 N/A
5320 16.498 N/A
5260 17.553 N/A
11n
5300 17.542 N/A
HT20
5320 17.553 N/A
11n 5270 36.178 N/A
HT40 5310 36.139 N/A
5260 17.535 N/A
11ac
5300 17.540 N/A
VHT20
5320 17.537 N/A
11ac 5270 36.145 N/A
VHT40 5310 36.111 N/A
11ac
5290 75.923 N/A
VHT80
Conclusion: PASS

Audix Technology (Shenzhen) Co., Ltd. Report No. ACS-F19023 Page 163 of 226

AUDIX Technology (Shenzhen) Co., Ltd.
FCC ID: AK8SRSXB402

5500-5700MHz Band:
26dB bandwidth
EUT: Wireless Speaker
M/N: SRS-XB402M
Test date: 2019-01-23 Pressure: 102.8±1.0 kpa Humidity: 51.8±3.0%
Tested by: Cote Test site: RF site Temperature:23.2±0.6 ℃

Test Frequency 26dB Bandwidth Limit
Mode （MHz） (MHz) (KHz)
5500 20.06 N/A
11a 5600 19.43 N/A
5700 19.59 N/A
5500 19.96 N/A
11n
5600 20.08 N/A
HT20
5700 20.00 N/A
5510 40.94 N/A
11n
5590 42.49 N/A
HT40
5670 46.81 N/A
5500 19.94 N/A
11ac
5600 19.96 N/A
VHT20
5700 19.94 N/A
5510 40.16 N/A
11ac
5590 40.18 N/A
VHT40
5670 40.49 N/A
11ac 5530 81.05 N/A
VHT80 5610 81.13 N/A
Conclusion: PASS

99% Occupied bandwidth:
Test Frequency 99% bandwidth Limit
Mode （MHz）（MHz） (KHz)
5500 16.468 N/A
11a 5600 16.473 N/A
5700 16.444 N/A
5500 17.557 N/A
11n
5600 17.557 N/A
HT20
5700 17.559 N/A
5510 36.169 N/A
11n
5590 36.170 N/A
HT40
5670 36.183 N/A
5500 17.566 N/A
11ac
5600 17.554 N/A
VHT20
5700 17.563 N/A
5510 36.117 N/A
11ac
5590 36.102 N/A
VHT40
5670 36.149 N/A
11ac 5530 75.904 N/A
VHT80 5610 75.964 N/A
Conclusion: PASS

Audix Technology (Shenzhen) Co., Ltd. Report No. ACS-F19023 Page 164 of 226

AUDIX Technology (Shenzhen) Co., Ltd.
FCC ID: AK8SRSXB402

5745-5825MHz Band:
6dB bandwidth
EUT: Wireless Speaker
M/N: SRS-XB402M
Test date: 2019-01-23 Pressure: 102.7±1.0 kpa Humidity: 54.1±3.0%
Tested by: Cote Test site: RF site Temperature:23.4±0.6 ℃

Test Frequency 6dB Bandwidth Limit
Mode （MHz） (MHz) (KHz)

5745 15.12 ≧500
11a 5785 15.07 ≧500
5825 15.12 ≧500
5745 15.08 ≧500
11n
5785 15.45 ≧500
HT20
5825 15.44 ≧500
11n 5755 35.15 ≧500
HT40 5795 35.12 ≧500
5745 15.02 ≧500
11ac
5785 14.21 ≧500
VHT20
5825 13.90 ≧500
11ac 5755 35.15 ≧500
VHT40 5795 35.35 ≧500
11ac
5775 76.33 ≧500
VHT80
Conclusion: PASS

Audix Technology (Shenzhen) Co., Ltd. Report No. ACS-F19023 Page 165 of 226

AUDIX Technology (Shenzhen) Co., Ltd.
FCC ID: AK8SRSXB402

26dB bandwidth
EUT: Wireless Speaker
M/N: SRS-XB402M
Test date: 2019-01-23 Pressure: 102.7±1.0 kpa Humidity: 54.1±3.0%
Tested by: Cote Test site: RF site Temperature:23.4±0.6 ℃

Test Frequency 26dB Bandwidth Limit
Mode （MHz） (MHz) (KHz)

5745 19.68 N/A
11a 5785 19.55 N/A
5825 19.61 N/A
5745 19.99 N/A
11n
5785 20.03 N/A
HT20
5825 20.09 N/A
11n 5755 40.72 N/A
HT40 5795 40.79 N/A
5745 20.09 N/A
11ac
5785 20.05 N/A
VHT20
5825 20.03 N/A
11ac 5755 40.10 N/A
VHT40 5795 39.95 N/A
11ac
5775 80.59 N/A
VHT80
Conclusion: PASS

99% Occupied bandwidth:
Test Frequency 99% bandwidth Limit
Mode （MHz）（MHz） (KHz)
5745 16.487 N/A
11a 5785 16.440 N/A
5825 16.441 N/A
5745 17.548 N/A
11n
5785 17.538 N/A
HT20
5825 17.556 N/A
11n 5755 36.118 N/A
HT40 5795 36.154 N/A
5745 17.540 N/A
11ac
5785 17.535 N/A
VHT20
5825 17.552 N/A
11ac 5755 36.115 N/A
VHT40 5795 36.095 N/A
11ac
5775 75.826 N/A
VHT80
Conclusion: PASS

Audix Technology (Shenzhen) Co., Ltd. Report No. ACS-F19023 Page 166 of 226

AUDIX Technology (Shenzhen) Co., Ltd.
FCC ID: AK8SRSXB402

7.4.Test Results
5180-5240MHz Band:
EUT: Wireless Speaker
M/N: SRS-XB402M
Test date: 2019-01-23 Pressure: 102.1±1.0 kpa Humidity: 51.1±3.0%
Tested by: Cote Test site: RF site Temperature:22.8±0.6 ℃

Maximum Conducted output
Test Frequency Limit
power
Mode (MHz) (dBm)
(dBm)
5180 12.84
11a 5200 12.83 23.98
5240 13.26
5180 12.43
11n
5200 12.44 23.98
HT20
5240 13.12
11n 5190 11.59
23.98
HT40 5230 12.14
5180 12.38
11ac
5200 12.63 23.98
VHT20
5240 12.96
11ac 5190 11.76
23.98
VHT40 5230 12.04
11ac
5210 10.27 23.98
VHT80
Conclusion: PASS

Note: Antenna Gain= 4.04dBi<6dBi.

Audix Technology (Shenzhen) Co., Ltd. Report No. ACS-F19023 Page 183 of 226

AUDIX Technology (Shenzhen) Co., Ltd.
FCC ID: AK8SRSXB402

5260-5320MHz Band:
EUT: Wireless Speaker
M/N: SRS-XB402M
Test date: 2019-01-23 Pressure: 102.1±1.0 kpa Humidity: 51.1±3.0%
Tested by: Cote Test site: RF site Temperature:22.8±0.6 ℃

Test Frequency Maximum Conducted output power Limit
Mode (MHz) (dBm) (dBm)

5260 13.51
11a 5300 13.12 23.93
5320 13.19
5260 13.17
11n
5300 13.18 23.98
HT20
5320 13.16
11n 5270 12.11
23.98
HT40 5310 12.10
5260 13.13
11ac
5300 13.11 23.98
VHT20
5320 12.99
11ac 5270 12.36
23.98
VHT40 5310 12.19
11ac
5290 10.86 23.98
VHT80
Conclusion: PASS

Notes: 1. Antenna Gain= 4.66dBi<6dBi
2. For 11a Mode
Limit=11 dBm + 10 log B
where B is the 26 dB emission bandwidth in megahertz.

For 11n HT20/11ac VHT20/11n HT40/11ac VHT40/ 11ac VHT80 Mode
Limit=23.98 dBm

Audix Technology (Shenzhen) Co., Ltd. Report No. ACS-F19023 Page 184 of 226

AUDIX Technology (Shenzhen) Co., Ltd.
FCC ID: AK8SRSXB402

5500-5700MHz Band:
EUT: Wireless Speaker
M/N: SRS-XB402M
Test date: 2019-01-23 Pressure: 102.1±1.0 kpa Humidity: 51.1±3.0%
Tested by: Cote Test site: RF site Temperature:22.8±0.6 ℃

Test Frequency Maximum Conducted output power Limit
Mode （MHz）（dBm） (dBm)

5500 12.26
11a 5600 12.75 23.88
5700 12.44
5500 12.05
11n
5600 12.51 23.98
HT20
5700 12.24
5510 11.31
11n
5590 11.84 23.98
HT40
5670 12.24
5500 12.27
11ac
5600 12.55 23.98
VHT20
5700 12.18
5510 11.22
11ac
5590 11.70 23.98
VHT40
5670 12.20
11ac 5530 9.78
23.98
VHT80 5610 10.58
Conclusion: PASS

Notes: 1. Antenna Gain= 4.82dBi<6dBi.
2. For 11a Mode
Limit=11 dBm + 10 log B
where B is the 26 dB emission bandwidth in megahertz.

For 11n HT20/11ac VHT20/11n HT40/11ac VHT40/ 11ac VHT80 Mode
Limit=23.98 dBm

Audix Technology (Shenzhen) Co., Ltd. Report No. ACS-F19023 Page 185 of 226

AUDIX Technology (Shenzhen) Co., Ltd.
FCC ID: AK8SRSXB402

5745-5825MHz Band:
EUT: Wireless Speaker
M/N: SRS-XB402M
Test date: 2019-01-23 Pressure: 102.1±1.0 kpa Humidity: 51.1±3.0%
Tested by: Cote Test site: RF site Temperature:22.8±0.6 ℃

Test Frequency Maximum Conducted output power Limit
Mode （MHz）（dBm） (dBm)

5745 12.58
11a 5785 11.89 30
5825 11.37
5745 12.06
11n
5785 11.46 30
HT20
5825 11.25
11n 5755 11.28
30
HT40 5795 11.07
5745 11.95
11ac
5785 11.79 30
VHT20
5825 11.16
11ac 5755 11.18
30
VHT40 5795 11.03
11ac
5775 9.81 30
VHT80
Conclusion: PASS

Note: Antenna Gain= 4.91dBi<6dBi.

Audix Technology (Shenzhen) Co., Ltd. Report No. ACS-F19023 Page 186 of 226

Document Created: 2019-03-15 15:47:24
Document Modified: 2019-03-15 15:47:24

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