Test report DFS

FCC ID: Q5EM50-4G

Test Report

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FCCID_4235896

TEST REPORT Report Reference No. .................... : CHTEW19030149 Report verification: Project No. ...................................... : SHT1902018202EW FCC ID ............................................. : Q5EM50-4G Applicant’s name ........................... : Kirisun Communication Co.,Ltd. Address ............................................. : 3rd Floor, Building A, Tongfang Information Habour, No.11 Langshan Road, Nanshan District, Shenzhen 518057, P.R.China Manufacturer.....................................: Kirisun Communication Co.,Ltd. Address.............................................: 3rd Floor, Building A, Tongfang Information Habour, No.11 Langshan Road, Nanshan District, Shenzhen 518057, P.R.China Test item description .................... : PoC Trunked Mobile Radio Trade Mark ....................................... : KIRISUN Model/Type reference ....................... : M50 Listed Model(s) ................................. : iTALK 450 Standard ......................................... : FCC CFR Title 47 Part 15 Subpart E Section 15.407 Date of receipt of test sample……...: Feb 25, 2019 Date of testing………………………..: Feb 26, 2019- Mar 20, 2019 Date of issue………………………....: Mar 21, 2019 Result .................. …………………...: PASS Compiled by ( position+printedname+signature) ... : File administrators Silvia Li Supervised by (position+printedname+signature) .... : Project Engineer Aaron Fang Approved by (position+printedname+signature) .... : RF Manager Hans Hu Testing Laboratory Name ............. : Shenzhen Huatongwei International Inspection Co., Ltd Address ............................................. : 1/F, Bldg 3, Hongfa Hi-tech Industrial Park, Genyu Road, Tianliao, Gongming, Shenzhen, China Shenzhen Huatongwei International Inspection Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Huatongwei International Inspection Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Huatongwei International Inspection Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. The test report merely correspond to the test sample. Page: 1 of 23

Report No: CHTEW19030149 Page: 2 of 23 Issued: 2019-03-21 Contents 1. TEST STANDARDS AND REPORT VERSION 3 1.1. Test Standards 3 1.2. Report Version 3 2. TEST DESCRIPTION 4 3. SUMMARY 5 3.1. Client Information 5 3.2. Product Description 5 3.3. Operation state 6 3.4. EUT configuration 7 3.5. Modifications 7 4. T EST EN V IRO NM ENT 8 4.1. Address of the test laboratory 8 4.2. Test Facility 8 4.3. Environmental conditions 9 4.4. Statement of the measurement uncertainty 9 4.5. Equipments Used during the Test 10 5. DF S T E ST I NFO RM AT IO N 11 5.1. DFS test requirement 11 5.2. DFS Detection Thresholds 13 5.3. RADAR TEST WAVEFORMS 14 6. T EST CO N DIT IO N S AND R E SU L T S 17 6.1. Calibration of Radar Waveform 17 6.2. Channel Move Time, Channel Closing Transmission Time 19 7. T EST S ET UP PHO T O S O F T H E E UT 23 8. EXTERNAL AND INTERNAL PHOTOS OF THE EUT 23 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V01 (2018-01)

Report No: CHTEW19030149 Page: 3 of 23 Issued: 2019-03-21 1. TEST STANDARDS AND REPORT VERSION 1.1. Test Standards The tests were performed according to following standards: FCC Rules Part 15.407: General technical requirements. ANSI C63.10-2013: American National Standard for Testing Unlicensed Wireless Devices KDB905462 D02 v02: COMPLIANCE MEASUREMENT PROCEDURES FOR UNLICENSED-NATIONAL INFORMATION INFRASTRUCTURE DEVICES OPERATING IN THE 5250-5350 MHz AND 5470-5725 MHz BANDS INCORPORATING DYNAMIC FREQUENCY SELECTION KDB905462 D03 v01r02: U-NII CLIENT DEVICES WITHOUT RADAR DETECTION CAPABILITY KDB905462 D04 v01: OPERATIONAL MODES SUGGESTED FOR DFS TESTING 1.2. Report Version Revision No. Date of issue Description N/A 2019-03-21 Original Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V01 (2018-01)

Report No: CHTEW19030149 Page: 4 of 23 Issued: 2019-03-21 2. TEST DESCRIPTION Test Item FCC Rule Result Test Engineer Channel move time 15.407(i) PASS Xiaokang Tan Channel closing transmission time 15.407(i) PASS Xiaokang Tan Remark: The measurement uncertainty is not included in the test result. Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V01 (2018-01)

Report No: CHTEW19030149 Page: 5 of 23 Issued: 2019-03-21 3. SUMMARY 3.1. Client Information Applicant: Kirisun Communication Co.,Ltd. 3rd Floor, Building A, Tongfang Information Habour, No.11 Langshan Road, Address: Nanshan District, Shenzhen 518057, P.R.China Manufacturer: Kirisun Communication Co.,Ltd. 3rd Floor, Building A, Tongfang Information Habour, No.11 Langshan Road, Address: Nanshan District, Shenzhen 518057, P.R.China 3.2. Product Description Name of EUT PoC Trunked Mobile Radio Trade Mark: KIRISUN Model No.: M50 Listed Model(s): iTALK 450 Power supply: DC 12V 5G WIFI Supported type: 802.11a 802.11n(HT20) 802.11n(HT40) Function: Outdoor AP Indoor AP Fixed P2P Client DFS type: master devices Slave devices with radar detection Slave devices without radar detection Modulation: BPSK, QPSK, 16QAM, 64QAM Operation frequency: Band II: 5250MHz~5350MHz Band III: 5470MHz~5725MHz Supported Bandwidth 20MHz: 802.11n, 802.11a 40MHz: 802.11n Antenna type: Ceramic Antenna Antenna gain: -4.0dBi Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V01 (2018-01)

Report No: CHTEW19030149 Page: 6 of 23 Issued: 2019-03-21 3.3. Operation state  Frequency list According to section 15.31(m), regards to the operating frequency range over 10 MHz, must select three channel which were tested. the Lowest frequency, the middle frequency, and the highest frequency of channel were selected to perform the test, please see the above gray bottom. 20MHz 40MHz 80MHz Test Band Frequency Frequency Frequency Channel Channel Channel Channel (MHz) (MHz) (MHz) CHL 52 5260 54 5270 - - II CHM 56 5280 - - 58 5290 CHH 64 5320 62 5310 - - CHL 100 5500 102 5510 106 5530 III CHM 120 5600 118 5590 122 5610 CHH 140 5700 134 5670 138 5690  Data Rated Preliminary tests were performed in different data rate, and found which the below bit rate is worst case mode, so only show data which it is a worst case mode. Mode Data rate (worst mode) 802.11a 6Mbps 802.11n(HT20) MCS0 802.11n(HT40) MCS0 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V01 (2018-01)

Report No: CHTEW19030149 Page: 7 of 23 Issued: 2019-03-21 3.4. EUT configuration The following peripheral devices and interface cables were connected during the measurement: ○- supplied by the manufacturer ●- supplied by the lab Manufacturer : Wistron NeWeb Corporation Wireless AP Model No. : WRT32X FCC ID : Q87-WRT3200ACM Manufacturer : Dell Inc. Notebook Model No. : Inspiron 13-5368 3.5. Modifications No modifications were implemented to meet testing criteria. Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V01 (2018-01)

Report No: CHTEW19030149 Page: 8 of 23 Issued: 2019-03-21 4. TEST ENVIRONMENT 4.1. Address of the test laboratory Laboratory:Shenzhen Huatongwei International Inspection Co., Ltd. Address: 1/F, Bldg 3, Hongfa Hi-tech Industrial Park, Genyu Road, Tianliao, Gongming, Shenzhen, China Phone: 86-755-26748019 Fax: 86-755-26748089 4.2. Test Facility CNAS-Lab Code: L1225 Shenzhen Huatongwei International Inspection Co., Ltd. has been assessed and proved to be in compliance with CNAS-CL01 Accreditation Criteria for Testing and Calibration Laboratories (identical to ISO/IEC17025: 2005 General Requirements) for the Competence of Testing and Calibration Laboratories. A2LA-Lab Cert. No.: 3902.01 Shenzhen Huatongwei International Inspection Co., Ltd. EMC Laboratory has been accredited by A2LA for technical competence in the field of electrical testing, and proved to be in compliance with ISO/IEC 17025: 2005 General Requirements for the Competence of Testing and Calibration Laboratories and any additional program requirements in the identified field of testing. FCC-Registration No.: 762235 Shenzhen Huatongwei International Inspection Co., Ltd. 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 our files. IC-Registration No.:5377B-1 Two 3m Alternate Test Site of Shenzhen Huatongwei International Inspection Co., Ltd. has been registered by Certification and Engineering Bureau of Industry Canada for the performance of radiated measurements with Registration No.: 5377B-1. ACA Shenzhen Huatongwei International Inspection Co., Ltd. EMC Laboratory can also perform testing for the Australian C-Tick mark as a result of our A2LA accreditation. Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V01 (2018-01)

Report No: CHTEW19030149 Page: 9 of 23 Issued: 2019-03-21 4.3. Environmental conditions During the measurement the environmental conditions were within the listed ranges: Temperature: 15~35°C Relative Humidity: 30~60 % Air Pressure: 950~1050mba 4.4. Statement of the measurement uncertainty The data and results referenced in this document are true and accurate. The reader is cautioned that there may be errors in calibration limits of the equipment and facilities. The measurement uncertainty was calculated for all measurements listed in this test report according to TR-100028-01 “Electromagnetic compatibility and Radio spectrum Matters (ERM); Uncertainties in the measurement of mobile radio equipment characteristics; Part 1” and TR-100028-02 “Electromagnetic compatibility and Radio spectrum Matters (ERM); Uncertainties in the measurement of mobile radio equipment characteristics; Part 2” and is documented in the Shenzhen Huatongwei International Inspection Co., Ltd. quality system according to ISO/IEC 17025. Furthermore, component and process variability of devices similar to that tested may result in additional deviation. The manufacturer has the sole responsibility of continued compliance of the device. Here after the best measurement capability for Shenzhen Huatongwei International Inspection Co., Ltd. is reported: Test Items Measurement Uncertainty Notes Transmitter power conducted 0.63 dB (1) Conducted spurious emissions 9kHz~40GHz 0.63 dB (1) Occupied Bandwidth 69 Hz (1) Frequency error 69 Hz (1) (1) This uncertainty represents an expanded uncertainty expressed at approximately the 95% confidence level using a coverage factor of k=1.96. Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V01 (2018-01)

Report No: CHTEW19030149 Page: 10 of 23 Issued: 2019-03-21 4.5. Equipments Used during the Test ● TS8997 Test system Last Cal. Date Next Cal. Date Used Test Equipment Manufacturer Model No. Serial No. (YY-MM-DD) (YY-MM-DD) Signal and spectrum ● R&S FSV40 100048 2018/10/28 2019/10/27 Analyzer ● Signal generator R&S SMB100A 177956 2018/10/28 2019/10/27 Vector signal ● R&S SMBV100A 260790 2018/08/21 2019/08/20 generator ● OSP R&S OSP120 101317 N/A N/A ● System Rack R&S SCA-24U 000480 N/A N/A ● 10dB Attenuator R&S 10dB Attenuator-1 N/A 2018/11/15 2019/11/14 ○ 10dB Attenuator R&S 10dB Attenuator-2 N/A 2018/11/15 2019/11/14 ○ 10dB Attenuator R&S 10dB Attenuator-3 N/A 2018/11/15 2019/11/14 ○ 10dB Attenuator R&S 10dB Attenuator-4 N/A 2018/11/15 2019/11/14 ● Test software R&S EMC32 N/A N/A N/A Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V01 (2018-01)

Report No: CHTEW19030149 Page: 11 of 23 Issued: 2019-03-21 5. DFS TEST INFORMATION 5.1. DFS test requirement The following table from FCC KDB905462 D02 UNII DFS Compliance procedures new rules list the applicable requirements for the DFS testing. Table 1: Applicability of DFS Requirements Prior to Use of a Channel Operational Mode Requirement Client Without Client With Radar Master Radar Detection Detection Non-Occupancy Period Yes Not required Yes DFS Detection Threshold Yes Not required Yes Channel Availability Check Time Yes Not required Not required U-NII Detection Bandwidth Yes Not required Yes Table 2: Applicability of DFS requirements during normal operation Operational Mode Requirement Master Device or Client with Client Without Radar Radar Detection Detection DFS Detection Threshold Yes Not required Channel Closing Transmission Yes Yes Time Channel Move Time Yes Yes U-NII Detection Bandwidth Yes Not required Additional requirements for devices Master Device or Client with Client Without Radar Detection with multiple bandwidth modes Radar Detection U-NII Detection Bandwidth and All BW modes must be tested Not required Statistical Performance Check Channel Move Time and Channel Test using the widest BW mode Test using widest BW mode available Closing Transmission Time available for the link All other tests Any single BW mode Not required Note: Frequencies selected for statistical performance check (Section 7.8.4) should include several frequencies within the radar detection bandwidth and frequencies near the edge of the radar detection bandwidth. For 802.11 devices it is suggested to select frequencies in each of the bonded 20 MHz channels and the channel center frequency. Master Devices a) The Master Device will use DFS in order to detect Radar Waveforms with received signal strength above the DFS Detection Threshold in the 5250~5350 MHz and 5470~5725 MHz bands. DFS is not required in the 5150~5250 MHz or 5725~5825 MHz bands. b) Before initiating a network on a Channel, the Master Device will perform a Channel Availability Check for a specified time duration (Channel Availability Check Time) to ensure that there is no radar system operating on the Channel, using DFS described under subsection a) above. c) The Master Device initiates a U-NII network by transmitting control signals that will enable other U-NII devices to Associate with the Master Device. d) During normal operation, the Master Device will monitor the Channel (In-Service Monitoring) to ensure that there is no radar system operating on the Channel, using DFS described under a). e) If the Master Device has detected a Radar Waveform during In-Service Monitoring as described under d), the Operating Channel of the U-NII network is no longer an Available Channel. The Master Device Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V01 (2018-01)

Report No: CHTEW19030149 Page: 12 of 23 Issued: 2019-03-21 will instruct all associated Client Device(s) to stop transmitting on this Channel within the Channel Move Time. The transmissions during the Channel Move Time will be limited to the Channel Closing Transmission Time. f) Once the Master Device has detected a Radar Waveform it will not utilize the Channel for the duration of the Non-Occupancy Period. g) If the Master Device delegates the In-Service Monitoring to a Client Device, then the combination will be tested to the requirements described under d) through f) above. Client Devices a) A Client Device will not transmit before having received appropriate control signals from a Master Device. b) A Client Device will stop all its transmissions whenever instructed by a Master Device to which it is associated and will meet the Channel Move Time and Channel Closing Transmission Time requirements. The Client Device will not resume any transmissions until it has again received control signals from a Master Device. c) If a Client Device is performing In-Service Monitoring and detects a Radar Waveform above the DFS Detection Threshold, it will inform the Master Device. This is equivalent to the Master Device detecting the Radar Waveform and d) through f) of section 5.1.1 apply. d) Irrespective of Client Device or Master Device detection the Channel Move Time and Channel Closing Transmission Time requirements remain the same. e) The client test frequency must be monitored to ensure no transmission of any type has occurred for 30 minutes. Note: If the client moves with the master, the device is considered compliant if nothing appears in the client non-occupancy period test. For devices that shut down (rather than moving channels), no beacons should appear. Table 4: DFS Response Requirement Values Paramenter Value Non-occupancy period Minimum 30 minutes Channel Availability Check Time 60 seconds Channel Move Time 10 seconds See Note 1. 200 milliseconds + an aggregate of 60 milliseconds Channel Closing Transmission Time over remaining 10 second period. See Notes 1 and 2. Minimum 100% of the U-NII 99% transmission power U-NII Detection Bandwidth bandwidth. See Note 3. Note 1: Channel Move Time and the Channel Closing Transmission Time should be performed with Radar Type 0. The measurement timing begins at the end of the Radar Type 0 burst. Note 2: The Channel Closing Transmission Time is comprised of 200 milliseconds starting at the beginning of the Channel Move Time plus any additional intermittent control signals required facilitating a Channel move (an aggregate of 60 milliseconds) during the remainder of the 10 second period. The aggregate duration of control signals will not count quiet periods in between transmissions. Note 3: During the U-NII Detection Bandwidth detection test, radar type 0 should be used. For each frequency step the minimum percentage of detection is 90 percent. Measurements are performed with no data traffic. Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V01 (2018-01)

Report No: CHTEW19030149 Page: 13 of 23 Issued: 2019-03-21 5.2. DFS Detection Thresholds Table 3: DFS Detection Thresholds for Master Devices and Client Devices With Radar Detection Maximum Transmit Power Value (See Notes 1, 2, and 3) EIRP ≥ 200 milliwatt -64 dBm EIRP < 200 milliwatt and -62 dBm power spectral density < 10 dBm/MHz EIRP < 200 milliwatt that do not meet the power -64 dBm spectral density requirement Note 1: This is the level at the input of the receiver assuming a 0 dBi receive antenna. Note 2: Throughout these test procedures an additional 1 dB has been added to the amplitude of the test transmission waveforms to account for variations in measurement equipment. This will ensure that the test signal is at or above the detection threshold level to trigger a DFS response. Note3: EIRP is based on the highest antenna gain. For MIMO devices refer to KDB Publication 662911 D01. Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V01 (2018-01)

Report No: CHTEW19030149 Page: 14 of 23 Issued: 2019-03-21 5.3. RADAR TEST WAVEFORMS This section provides the parameters for required test waveforms, minimum percentage of successful detections, and the minimum number of trials that must be used for determining DFS conformance. Step intervals of 0.1 microsecond for Pulse Width, 1 microsecond for PRI, 1 MHz for chirp width and 1 for the number of pulses will be utilized for the random determination of specific test waveforms. Table 5 Short Pulse Radar Test Waveforms Pulse Minimum Percentage Minimum Width PRI Number of Pulses of Successful Number of Radar Type (µsec) (µsec) Detection Trials 0 1 1428 18 See Note 1 See Note 1 Test A: 15 unique PRI values randomly selected from the list of 23 PRI values in Table 5a Test B: 15 unique 1 1 PRI values 60% 30 randomly selected within the range of 518-3066 µsec, with a minimum increment of 1 µsec, excluding PRI values selected in Test A 2 1-5 150-230 23-29 60% 30 3 6- 200-500 16-18 60% 30 4 10 11- 200-500 12-16 60% 30 20 Aggregate (Radar Types 1-4) 80% 120 Note 1: Short Pulse Radar Type 0 should be used for the detection bandwidth test, channel move time, and channel closing time tests. A minimum of 30 unique waveforms are required for each of the Short Pulse Radar Types 2 through 4. If more than 30 waveforms are used for Short Pulse Radar Types 2 through 4, then each additional waveform must also be unique and not repeated from the previous waveforms. If more than 30 waveforms are used for Short Pulse Radar Type 1, then each additional waveform is generated with Test B and must also be unique and not repeated from the previous waveforms in Tests A or B. For example if in Short Pulse Radar Type 1 Test B a PRI of 3066 μsec is selected, the number of pulses would be Round up = Round up {17.2} = 18. Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V01 (2018-01)

Report No: CHTEW19030149 Page: 15 of 23 Issued: 2019-03-21 Table 5a - Pulse Repetition Intervals Values for Test A Pulse Repetition Frequency Pulse Repetition Frequency Pulse Repetition Interval Number (Pulses Per Second) (Microseconds) 1 1930.5 518 2 1858.7 538 3 1792.1 558 4 1730.1 578 5 1672.2 598 6 1618.1 618 7 1567.4 638 8 1519.8 658 9 1474.9 678 10 1432.7 698 11 1392.8 718 12 1355 738 13 1319.3 758 14 1285.3 778 15 1253.1 798 16 1222.5 818 17 1193.3 838 18 1165.6 858 19 1139 878 20 1113.6 898 21 1089.3 918 22 1066.1 938 23 326.2 3066 Table 6 – Long Pulse Radar Test Waveform Minimum Radar Pulse Chirp Number of Number of Percentage of Minimum Width Width PRI (µsec) Pulses per Number Type Bursts Successful (µsec) (MHz) Burst Detection of Trials 5 50-100 5-20 1000-2000 1-3 8-20 80% 30 The parameters for this waveforms are randomly chosen. Thirty unique waveforms are required for the Long Pulse Radar Type waveforms. If more than 30 waveforms are used for the Long Pulse Radar Type wave forms, then each additional waveform must also be unique and not repeated from the previous waveforms. Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V01 (2018-01)

Report No: CHTEW19030149 Page: 16 of 23 Issued: 2019-03-21 Table 7 – Frequency Hopping Radar Test Waveform Pulse Hopping Minimum Radar PRI Pulses per Hopping Sequence Percentage of Minimum Width Number Type (µsec) Hop Rate (kHz) Length Successful (µsec) of Trials (msec) Detection 6 1 333 9 0.333 300 70% 30 For the Frequency Hopping Radar Type, the same Burst parameters are used for each wave form. The hopping sequence is different for each wave form and a 100-length segment is selected from the hopping sequence defined by the following algorithm: The first frequency in a hopping sequence is selected randomly from the group of 475 integer frequencies from 5250–5724MHz.Next,the frequency that was just chosen is removed from the group and a frequency is randomly selected from the remaining 474 frequencies in the group. This process continues until all 475 frequencies are chosen for the set. For selection of a random frequency, the frequencies remaining within the group are always treated as equally likely. Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V01 (2018-01)

Report No: CHTEW19030149 Page: 17 of 23 Issued: 2019-03-21 6. TEST CONDITIONS AND RESULTS 6.1. Calibration of Radar Waveform TEST CONFIGURATION TEST PROCEDURE a) A 50 ohm load is connected in place of the spectrum analyzer, and the spectrum analyzer is connected to place of the master b) The interference Radar Detection Threshold Level is -62dBm + 0dBi +1dB = -61dBm that had been taken into account the output power range and antenna gain. c) The following equipment setup was used to calibrate the conducted radar waveform. A vector signal generator was utilized to establish the test signal level for radar type 0. During this process there were no transmissions by either the master or client device. The spectrum analyzer was switched to the zero spans (time domain) at the frequency of the radar waveform generator. Peak detection was used. The spectrum analyzer resolution bandwidth (RBW) and video bandwidth (VBW) were set to 3MHz. The spectrum analyzer had offset -1.0dB to compensate RF cable loss 1.0dB. d) The vector signal generator amplitude was set so that the power level measured at the spectrum analyzer was - -62dBm + 0dBi +1dB = -61dBm. Capture the spectrum analyzer plots on short pulse radar waveform. TEST MODE: Please refer to the clause 3.3 TEST RESULTS Passed Not Applicable Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V01 (2018-01)

Report No: CHTEW19030149 Page: 18 of 23 Issued: 2019-03-21 Reference DFS test signal(Radar Type 0) 5310MHz 5510MHz Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V01 (2018-01)

Report No: CHTEW19030149 Page: 19 of 23 Issued: 2019-03-21 6.2. Channel Move Time, Channel Closing Transmission Time TEST CONFIGURATION TEST PROCEDURE a) The radar pulse generator is setup to provide a pulse at frequency that the master and client are operating. A type 0 radar pulse with a 1us pulse width and a 1428us PRI is used for the testing. b) The vector signal generator is adjusted to provide the radar burst (18 pulses) at the level of approximately -61dBm at the antenna port of the master device c) A trigger is provided from the pulse generator to the DFS monitoring system in order to capture the traffic and the occurrence of the radar pulse. d) EUT will associate with the master at channel. The file “iperf.exe” specified by the FCC is streamed from the PC 2 through the master and the client device to the PC 1 and played in full motion video using Media Player Classic Ver. 6.4.8.6 in order to properly load the network for the entire period of the test. e) When radar burst with a level equal to the DFS Detection Threshold +1dB is generated on the operating channel of the U-NII device. At time T0 the radar waveform generator sends a burst of pulse of the radar waveform at Detection Threshold +1dB. f) Observe the transmissions of the EUT at the end of the radar Burst on the Operating Channel Measure and record the transmissions from the UUT during the observation time (Channel Move Time). One 15 seconds plot is reported for the Short Pulse Radar Type 0. The plot for the Short Pulse Radar Types start at the end of the radar burst. The Channel Move Time will be calculated based on the zoom in 600ms plot of the Short Pulse Radar Type g) Measurement of the aggregate duration of the Channel Closed Transmission Time method. With the spectrum analyzer set to zero span tuned to the center frequency of the EUT operating channel at the radar simulated frequency, peak detection, and max hold, the dwell time per bin is given by: Dwell (0.3ms) =S (12000ms) / B (4000); where Dwell is the dwell time per spectrum analyzer sampling bin, S is sweep time and B is the number of spectrum analyzer sampling bins. An upper bound of the aggregate duration of the intermittent control signals of Channel Closing Transmission Time is calculated by: C (ms)= N X Dwell (0.3ms); where C is the Closing Time, N is the number of spectrum analyzer sampling bins (intermittent control signals) showing a U-NII transmission and Dwell is the dwell time per bin. Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V01 (2018-01)

Report No: CHTEW19030149 Page: 20 of 23 Issued: 2019-03-21 h) Measurement the EUT for more than 30 minutes following the channel move time to verify that no transmission or beacons occur on this channel. TEST MODE: Please refer to the clause 3.3 TEST RESULTS Passed Not Applicable BW/Channel Test Item Test Result Limit Result Channel Move Time 0.6798s ＜ 10s Pass 40MHz/5310MHz Channel Closing Transmission 56.99ms ＜60ms Pass Time Channel Move Time 0.8102s ＜10s Pass 40MHz/5510MHz Channel Closing Transmission 51.66ms ＜ 60ms Pass Time Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V01 (2018-01)

Report No: CHTEW19030149 Page: 21 of 23 Issued: 2019-03-21 Data Traffic Plot 5310MHz Data Traffic Plot 5510MHz Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V01 (2018-01)

Report No: CHTEW19030149 Page: 22 of 23 Issued: 2019-03-21 Channel Move Time& Channel Closing Transmission Time 40MHz/ 5310MHz 40MHz/ 5510MHz Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V01 (2018-01)

Report No: CHTEW19030149 Page: 23 of 23 Issued: 2019-03-21 7. Test Setup Photos of the EUT 8. External and Internal Photos of the EUT Reference to the test report No.: CHTEW19030141 -----------------End of Report---------------- Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V01 (2018-01)


Document Created: 2019-04-09 16:33:20
Document Modified: 2019-04-09 16:33:20
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