Test Report DFS

FCC ID: NKR-ATTC71KW

Test Report

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FCCID_3607350

seomren ias. FCC DFS Test Report Report No. : FZ791514 Project No: CB10609516 FCC DFS Test Report Equipment : Wireless STB Brand Name : AT&T Model No. : C71KW—400, C71KWBP—400 FCC ID : NKR—ATTC71KW Standard : 47 CFR FCC Part 15.407 Frequency Range : 5250 MHz — 5350 MHz 5470 MHz — 5725 MHz Applicant : Wistron NeWeb Corporation 20 Park Avenue I! Hsinchu Science Park Hsinchu, 308 Taiwan Manufacturer : Wistron NeWeb Corporation 20 Park Avenue II Hsinchu Science Park Hsinchu, 308 Taiwan Operate Mode : Client without radar detection The product sample received on Aug. 18, 2017 and completely tested on Sep. 25, 2017. We, SPORTON, would like to declare that the tested sample has been evaluated in accordance with the procedures given in FCC KDB 905462 D02 UNII DFS Compliance Procedures New Rules v02 and shown compliance with the applicable technical standards. The test results in this report apply exclusively to the tested model / sample. Without written approval of SPORTON INTERNATIONAL INC., the test report shall not be reproduced except in full. «tm 4 + % cz yZoy Tosing Laterites Cliff Chang "I.,,,’.;:\‘.\*) 1190 SPORTON INTERNATIONAL INC. SPORTON INTERNATIONAL INC Page No: : 1 of 28 TEL : 886—3—327—3456 Report Version : Rev. 01 FAX : aae—3.s27—0073 Issued Date : Oct. 16, 2017 FCC ID NKR—ATTC7IKW

FCC DFS Test Report Report No. : FZ791514 Table of Contents 1 GENERAL DESCRIPTION ....................................................................................................................5 1.1 Information..............................................................................................................................................5 1.2 Accessories ..........................................................................................................................................10 1.3 Support Equipment...............................................................................................................................10 1.4 Testing Applied Standards ...................................................................................................................10 1.5 Testing Location Information ................................................................................................................10 2 TEST CONFIGURATION OF EUT ......................................................................................................11 2.1 Test Channel Frequencies Configuration.............................................................................................11 2.2 The Worst Case Measurement Configuration......................................................................................11 3 DYNAMIC FREQUENCY SELECTION (DFS) TEST RESULT...........................................................12 3.1 General DFS Information .....................................................................................................................12 3.2 Radar Test Waveform Calibration........................................................................................................14 3.3 In-service Monitoring ............................................................................................................................20 4 TEST EQUIPMENT AND CALIBRATION DATA ................................................................................27 5 MEASUREMENT UNCERTAINTY ......................................................................................................28 APPENDIX A. TEST PHOTOS ............................................................................................................. .A1 ~ A2 PHOTOGRAPHS OF EUT V01 SPORTON INTERNATIONAL INC. Page No. : 2 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 Summary of Test Result Conformance Test Specifications Report Ref. Std. Clause Description Limit Result Clause DFS: In-Service CMT ≤ 10sec Complied 3.3 FCC KDB 905462 7.8.3 Monitoring for Channel Move Time (CMT) DFS: In-Service CCTT ≤ 60 ms Complied Monitoring for Channel starting at CMT 3.3 FCC KDB 905462 7.8.3 Closing Transmission 200ms Time (CCTT) DFS: In-Service NOP ≥ 30 min Complied Monitoring for 3.3 FCC KDB 905462 7.8.3 Non-Occupancy Period (NOP) Note: Since the product is client without radar detection function, only Channel Move Time, Channel Closing Transmission Time and Non-Occupancy Period are required to perform. SPORTON INTERNATIONAL INC. Page No. : 3 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 Revision History Report No. Version Description Issued Date FZ791514 Rev. 01 Initial issue of report Oct. 16, 2017 SPORTON INTERNATIONAL INC. Page No. : 4 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 1 General Description 1.1 Information 1.1.1 RF General Information Specification Items Description Product Type WLAN (4TX, 4RX) Radio Type Intentional Transceiver Power Type From power adapter Modulation IEEE 802.11a: OFDM (BPSK / QPSK / 16QAM / 64QAM) IEEE 802.11n/ac: see the below table Data Rate (Mbps) IEEE 802.11a: OFDM (6/9/12/18/24/36/48/54) IEEE 802.11n/ac: see the below table Channel Bandwidth 20/40/80 MHz operating channel bandwidth Master Operating Mode Client with radar detection Client without radar detection Communication Mode IP Based (Load Based) Frame Based TPC Function With TPC Without TPC Weather Band (5600~5650MHz) With 5600~5650MHz Without 5600~5650MHz Power-on cycle NA (No Channel Availability Check Function) Software / Firmware Version 15.10.120 (03c6fd902c98b893b7509eec5f041c60459e2d43 WLTEST) Note: EUT employ a TPC mechanism and TPC have the capability to operate at least 6 dB below highest RF output power. TPC Power Result Mode Min Power Max Power Min EIRP Max EIRP (dBm) (dBm) (dBm) (dBm) 802.11a_(6Mbps)_4TX - - - - 5.25-5.35GHz 16.53 22.53 21.83 27.83 5.47-5.725GHz 17.05 23.05 22.85 28.85 802.11ac VHT20_Nss1,(MCS0)_4TX - - - - 5.25-5.35GHz 16.61 22.61 21.91 27.91 5.47-5.725GHz 17.09 23.09 22.89 28.89 802.11ac VHT40_Nss1,(MCS0)_4TX - - - - 5.25-5.35GHz 17.95 23.95 23.25 29.25 5.47-5.725GHz 17.97 23.97 23.77 29.77 802.11ac VHT80_Nss1,(MCS0)_4TX - - - - 5.25-5.35GHz 17.02 23.02 22.32 28.32 5.47-5.725GHz 17.66 23.66 23.46 29.46 802.11ac VHT20-BF_Nss1,(MCS0)_4TX - - - - SPORTON INTERNATIONAL INC. Page No. : 5 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 Mode Min Power Max Power Min EIRP Max EIRP (dBm) (dBm) (dBm) (dBm) 5.25-5.35GHz 15.59 21.59 23.09 29.09 5.47-5.725GHz 16.01 22.01 23.01 29.01 802.11ac VHT40-BF_Nss1,(MCS0)_4TX - - - - 5.25-5.35GHz 16.00 22.00 23.50 29.50 5.47-5.725GHz 16.78 22.78 23.78 29.78 802.11ac VHT80-BF_Nss1,(MCS0)_4TX - - - - 5.25-5.35GHz 15.20 21.20 22.70 28.70 5.47-5.725GHz 16.92 22.92 23.92 29.92 Antenna & Band width Antenna Four (TX) Band width Mode 20 MHz 40 MHz 80 MHz IEEE 802.11a V X X IEEE 802.11n V V X IEEE 802.11ac V V V IEEE 11n/ac Spec. Number of Protocol Data Rate / MCS Transmit Chains (NTX) 802.11n (HT20) 4 MCS0-31 802.11n (HT40) 4 MCS0-31 802.11ac (VHT20) 4 MCS 0-9/Nss1-4 802.11ac (VHT40) 4 MCS 0-9/Nss1-4 802.11ac (VHT80) 4 MCS 0-9/Nss1-4 Note 1: IEEE Std. 802.11n modulation consists of HT20 and HT40 (HT: High Throughput). Then EUT support HT20 and HT40. Note 2: IEEE Std. 802.11ac modulation consists of VHT20, VHT40, VHT80 and VHT160 (VHT: Very High Throughput). Then EUT support VHT20, VHT40 and VHT80. Note 3: Modulation modes consist of below configuration: 11a: IEEE 802.11a, HT20/HT40: IEEE 802.11n, VHT20/VHT40/VHT80: IEEE 802.11ac SPORTON INTERNATIONAL INC. Page No. : 6 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 1.1.2 Antenna Information Gain (dBi) Ant. Port Brand Model Name Antenna Type Connector 2.4GHz 5GHz BT A 1 Airgain N2425DWA7 PCB Antenna I-PEX B 2 Airgain N2410DWB7 PCB Antenna I-PEX Note Note - C 3 Airgain N2425DWC7 PCB Antenna I-PEX D 4 Airgain N2410DWD7 PCB Antenna I-PEX E 1 N/A N/A Printed Antenna N/A - - 1.11 Note: 2.4 GHz Antenna gain (dBi) Port 1 2 3 4 Frequency 2412MHz 4.30 2.20 3.90 2.80 2422MHz 4.30 2.40 4.00 2.90 2437MHz 4.50 3.10 4.20 3.20 2452MHz 4.50 3.30 4.20 3.30 2462MHz 4.70 3.50 4.20 3.20 Frequency 2.4 GHz Directional gain (dBi) 2412MHz 5.70 2422MHz 5.90 2437MHz 6.30 2452MHz 6.40 2462MHz 6.40 5 GHz Antenna gain (dBi) Port 1 2 3 4 Band Band 1 5.50 2.30 4.30 4.30 Band 2 5.30 1.90 4.00 4.20 Band 3 5.80 1.80 3.90 2.50 Band 4 5.70 2.00 3.70 2.00 SPORTON INTERNATIONAL INC. Page No. : 7 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 Band 5 GHz Directional gain (dBi) Band 1 7.60 Band 2 7.50 Band 3 7.00 Band 4 7.10 Note: The EUT has four antennas. For WLAN function (4TX, 4RX): Port 1, Port 2, Port 3 and Port 4 can be used as transmitting/receiving antenna. Port 1, Port 2, Port 3 and Port 4 could transmit/receive simultaneously. For Bluetooth function (1TX, 1RX): Only Port 1 can be used as transmitting/receiving antenna. 1.1.3 DFS Band Carrier Frequencies There are three bandwidth systems. For 20MHz bandwidth systems, use Channel 52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 140, 144. For 40MHz bandwidth systems, use Channel 54, 62, 102, 110, 118, 126, 134, 142. For 80MHz bandwidth systems, use Channel 58, 106, 122, 138. Frequency Band Channel No. Frequency Channel No. Frequency 52 5260 MHz 60 5300 MHz 5250~5350 MHz 54 5270 MHz 62 5310 MHz Band 2 56 5280 MHz 64 5320 MHz 58 5290 MHz - - 100 5500 MHz 124 5620 MHz 102 5510 MHz 126 5630 MHz 104 5520 MHz 128 5640 MHz 106 5530 MHz 132 5660 MHz 108 5540 MHz 134 5670 MHz 5470~5725 MHz 110 5550 MHz 136 5680 MHz Band 3 112 5560 MHz 138 5690 MHz 116 5580 MHz 140 5700 MHz 118 5590 MHz 142 5710 MHz 120 5600 MHz 144 5720 MHz 122 5610 MHz - - SPORTON INTERNATIONAL INC. Page No. : 8 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 1.1.4 Table for Multiple Listing The EUT has two model names which are identical to each other in all aspects except for the following table: Model Name Description C71KW-400 There is nothing different of two models, just for different marketing use. C71KWBP-400 From the above models, model: C71KW-400 was selected as representative model for the test and its data was recorded in this report. SPORTON INTERNATIONAL INC. Page No. : 9 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 1.2 Accessories N/A 1.3 Support Equipment Support Equipment No. Equipment Brand Name Model Name FCC ID 1 Notebook DELL E4300 DoC 2 Notebook DELL E4300 DoC 3 WLAN AP Netgear R7500 PY314300288 1.4 Testing Applied Standards According to the specifications of the manufacturer, the EUT must comply with the requirements of the following standards:  FCC KDB 905462 D02 UNII DFS Compliance Procedures New Rules v02 1.5 Testing Location Information Testing Location HWA YA ADD : No. 52, Hwa Ya 1st Rd., Kwei-Shan Hsiang, Tao Yuan Hsien, Taiwan, R.O.C. TEL : 886-3-327-3456 FAX : 886-3-327-0973 JHUBEI ADD : No.8, Lane 724, Bo-ai St., Jhubei City, HsinChu County 302, Taiwan, R.O.C. TEL : 886-3-656-9065 FAX : 886-3-656-9085 Test Condition Test Site No. Test Engineer Test Environment Test Date DFS Site DF01-CB Robert Jiang 27°C / 62% Sep. 25, 2017 Test site Designation No. TW0006 with FCC Test site registered number IC 4086D with Industry Canada. SPORTON INTERNATIONAL INC. Page No. : 10 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 2 Test Configuration of EUT 2.1 Test Channel Frequencies Configuration Test Channel Frequencies Configuration IEEE Std. Test Channel Freq. (MHz) 802.11ac (VHT80) 5530 MHz 2.2 The Worst Case Measurement Configuration The Worst Case Mode for Following Conformance Tests Tests Item Dynamic Frequency Selection (DFS) Test Condition Conducted measurement at transmit chains The EUT shall be configured to operate at the highest transmitter output power setting. If more than one antenna assembly is intended for this power setting, the gain of the antenna assembly with the lowest gain shall be used. Modulation Mode 802.11ac (VHT80) SPORTON INTERNATIONAL INC. Page No. : 11 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 3 Dynamic Frequency Selection (DFS) Test Result 3.1 General DFS Information 3.1.1 DFS Parameters Table D.1: DFS requirement values Parameter Value Non-occupancy period Minimum 30 minutes Channel Availability Check Time 60 seconds Channel Move Time 10 seconds (Note 1). Channel Closing Transmission Time 200 milliseconds + an aggregate of 60 milliseconds over remaining 10 second periods. (Notes 1 and 2). U-NII Detection Bandwidth Minimum 100% of the 99% power bandwidth (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 to facilitate Channel changes (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 is used and for each frequency step the minimum percentage of detection is 90%. Measurements are performed with no data traffic. Table D.2: Interference threshold values Maximum Transmit Power Value (see note) EIRP ≥ 200 mW -64 dBm EIRP < 200 mW and PSD < 10dBm/MHz -62 dBm EIRP < 200 mW and PSD >= 10dBm/MHz -64 dBm 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 662911D01. SPORTON INTERNATIONAL INC. Page No. : 12 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 3.1.2 Applicability of DFS Requirements Prior to Use of a Channel DFS Operational mode Requirement Client without radar Client with radar Master 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 3.1.3 Applicability of DFS Requirements during Normal Operation DFS Operational mode Requirement Client without radar Client with radar Master detection detection DFS Detection Threshold Yes Not required Yes Channel Closing Transmission Time Yes Yes Yes Channel Move Time Yes Yes Yes U-NII Detection Bandwidth Yes Not required Yes Additional requirements for devices Master Device or Client with Client Without Radar with multiple bandwidth modes Radar Detection Detection U-NII Detection Bandwidth and All BW modes must be tested Not required Statistical Performance Check Channel Move Time and Channel Test using widest BW mode Test using the widest BW mode Closing Transmission Time available 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. 3.1.4 Channel Loading/Data Streaming The data file (MPEG-4) has been transmitting in a streaming mode. Software to ping the client is permitted to simulate data transfer with random ping intervals. Minimum channel loading of approximately 17%. Unicast protocol has been used. SPORTON INTERNATIONAL INC. Page No. : 13 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 3.2 Radar Test Waveform Calibration 3.2.1 Short Pulse Radar Test Waveforms Minimum Radar Pulse Width Percentage of Minimum PRI (µsec) Number of Pulses Type (µsec) Successful Trials Detection 0 1 1428 18 See Note 1 See Note 1 15 unique PRI in KDB 1A 1 60% 15 905462 D02 Table 5a  1   19  10 6  Roundup    15 unique  360   PRI   PRI within 1B 1 518-3066, 60% 15 Excluding 1A PRI 2 1-5 150-230 23-29 60% 30 3 6-10 200-500 16-18 60% 30 4 11-20 200-500 12-16 60% 30 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 1 through 4. If more than 30 waveforms are used for short pulse radar types 1 through 4, then each additional waveform must also be unique and not repeated from the previous waveforms. The aggregate is the average of the percentage of successful detections of short pulse radar types 1-4. 3.2.2 Long Pulse Radar Test Waveform Minimum Pulse Chirp Number of Radar Number of Percentage of Minimum Width Width PRI (µsec) Pulses Type Bursts Successful Trials (µsec) (MHz) per Burst Detection 5 50-100 5-20 1000-2000 1-3 8-20 80% 30 Each waveform is defined as follows:  The transmission period for the Long Pulse Radar test signal is 12 seconds.  There are a total of 8 to 20 Bursts in the 12 second period, with the number of Bursts being randomly chosen. This number is Burst Count.  Each Burst consists of 1 to 3 pulses, with the number of pulses being randomly chosen. Each Burst within the 12 second sequence may have a different number of pulses.  The pulse width is between 50 and 100 microseconds, with the pulse width being randomly chosen. Each pulse within a Burst will have the same pulse width. Pulses in different Bursts may have different pulse widths.  Each pulse has a linear FM chirp between 5 and 20 MHz, with the chirp width being randomly chosen. Each pulse within a transmission period will have the same chirp width. The chirp is centered on the pulse. For example, with a radar frequency of 5300 MHz and a 20 MHz chirped signal, the chirp starts at 5290 MHz and ends at 5310 MHz.  If more than one pulse is present in a Burst, the time between the pulses will be between 1000 and 2000 microseconds, with the time being randomly chosen. If three pulses are present in a Burst, the time SPORTON INTERNATIONAL INC. Page No. : 14 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 between the first and second pulses is chosen independently of the time between the second and third pulses.  The 12 second transmission period is divided into even intervals. The number of intervals is equal to Burst Count. Each interval is of length (12,000,000 / Burst Count) microseconds. Each interval contains one Burst. The start time for the Burst, relative to the beginning of the interval, is between 1 and [(12,000,000 / Burst Count) – (Total Burst Length) + (One Random PRI Interval)] microseconds, with the start time being randomly chosen. The step interval for the start time is 1 microsecond. The start time for each Burst is chosen independently. 3.2.3 Frequency Hopping Radar Test Waveform Minimum Pulse Hopping Radar PRI Pulses Hopping Percentage of Minimum Width Sequence Type (µsec) per Hop Rate (kHz) Successful Trials (µsec) Length (ms) Detection 6 1 333 9 0.333 300 70% 30 The FCC Type 6 waveform uses a static waveform with 100 bursts in the instruments ARB. In addition, the RF list mode is operated with a list containing 100 frequencies from a randomly generated list and it had be ensured that at least one of the random frequencies falls into the UNII Detection Bandwidth of the DUT. Each burst from the waveform file initiates a trigger pulse at the beginning that switches the RF list from one item to the next one. 3.2.4 DFS Threshold Level DFS Threshold Level DFS Threshold level: -63 dBm at the antenna connector in front of the antenna The Interference Radar Detection Threshold Level is is -64 dBm + 0 [dBi] + 1 dB = -63 dBm. That had been taken into account the output power range and antenna gain. 3.2.5 Calibration Setup Client Conducted Calibration Setup SPORTON INTERNATIONAL INC. Page No. : 15 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 3.2.6 Radar Waveform calibration Plot Modulation Mode: 802.11ac (VHT80) Test Frequency: 5530 MHz Radar #0 DFS detection threshold level SPORTON INTERNATIONAL INC. Page No. : 16 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 3.2.7 Test Setup A spectrum analyzer is used as a monitor to verify that the EUT has vacated the Channel within the (Channel Closing Transmission Time and Channel Move Time, and does not transmit on a Channel during the Non-Occupancy Period after the detection and Channel move. Client without Radar Detect Conducted Measurement SPORTON INTERNATIONAL INC. Page No. : 17 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 3.2.8 Data traffic Plot EUT Data traffic Plot Modulation Mode: 802.11ac (VHT80) Test Frequency: 5530 MHz Master Data Traffic Plot Modulation Mode: 802.11ac (VHT80) Test Frequency: 5530 MHz SPORTON INTERNATIONAL INC. Page No. : 18 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 Without Data Traffic Plot Modulation Mode: 802.11ac (VHT80) Test Frequency: 5530 MHz SPORTON INTERNATIONAL INC. Page No. : 19 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 3.3 In-service Monitoring 3.3.1 In-service Monitoring Limit In-service Monitoring Limit Channel Move Time 10 sec Channel Closing Transmission Time 200 ms + an aggregate of 60 ms over remaining 10 sec periods. Non-occupancy period Minimum 30 minutes 3.3.2 Measuring Instruments Refer a test equipment and calibration data table in this test report. 3.3.3 Test Procedures Test Method Verified during In-Service Monitoring; Channel Closing Transmission Time, Channel Move Time. Client Device will associate with the EUT. Observe the transmissions of the EUT at the end of the radar Burst on the Operating Channel for duration greater than 10 seconds. Measure and record the transmissions from the EUT during the observation time (Channel Move Time). Compare the Channel Move Time and Channel Closing Transmission Time limits. Verified during In-Service Monitoring; Channel Closing Transmission Time, Channel Move Time. One 12 sec plot needs to be reported for the Short Pulse Radar Types 0. And zoom-in a 60 ms plot verified channel closing time for the aggregate transmission time starting from 200ms after the end of the radar signal to the completion of the channel move. Verified during In-Service Monitoring; Non-Occupancy Period. Client Device will associate with the EUT. Observe the transmissions of the EUT at the end of the radar Burst on the Operating Channel for duration greater than 10 seconds. Measure and record the transmissions from the EUT during the observation time (Non-Occupancy Period). Compare the Non-Occupancy Period limits. SPORTON INTERNATIONAL INC. Page No. : 20 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 3.3.4 Test Result of Channel Move Time Modulation Mode: 802.11ac (VHT80) Test Result Parameter Limit Type 0 Test Channel (MHz) 5530 MHz - Channel Move Time (sec.) 4.191 ＜ 10s SPORTON INTERNATIONAL INC. Page No. : 21 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 Modulation Mode Freq. Radar Type 802.11ac (VHT80) 5530 MHz 0 Radar EUT signal SPORTON INTERNATIONAL INC. Page No. : 22 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 3.3.5 Test Result of Channel Closing Transmission Time Modulation Mode: 802.11ac (VHT80) Test Result Parameter Limit Type 0 Test Channel (MHz) 5530 MHz - Channel Closing Transmission Time (ms) (Note) 22.812 ＜ 60ms Note: 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 to facilitate a Channel move (an aggregate of 60 milliseconds) during the remainder of the 10 seconds period. The aggregate duration of control signals will not count quiet periods in between transmissions. SPORTON INTERNATIONAL INC. Page No. : 23 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 Modulation Mode Freq. Radar Type 802.11ac (VHT80) 5530 MHz 0 Channel Closing Transmission Time is comprised of 200 ms starting at the beginning of the Channel Move Time plus 60ms additional intermittent control signals Radar EUT signal Dwell is the dwell time per spectrum analyzer sampling bin. S is the sweep time B is the number of spectrum analyzer sampling bins C is the intermittent control signals of Channel Closing Transmission Time N is the number of spectrum analyzer sampling bins (intermittent control signals) showing a U-NII transmission Dwell (0.156 ms)= S (5000 ms) / B (32000) C (22.812 ms) = N (146) X Dwell (0.156 ms) SPORTON INTERNATIONAL INC. Page No. : 24 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 3.3.6 Test Result of Non-Occupancy Period Modulation Mode: 802.11ac (VHT80) Test Result Parameter Limit Type 0 Test Channel (MHz) 5530 MHz - Non-Occupancy Period (min.) ≧30 ≧ 30 min Modulation Mode Freq. 802.11ac (VHT80) 5530 MHz Non-Occupancy Period During the 30 minutes observation time, UUT did not make any transmissions on a channel after a radar signal was detected on that channel by either the Channel Availability Check or the In-Service Monitoring. SPORTON INTERNATIONAL INC. Page No. : 25 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 Non-associated test Master was off. During the 30 minutes observation time, The UUT did not make any transmissions in the DFS band after UUT power up. SPORTON INTERNATIONAL INC. Page No. : 26 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 4 Test Equipment and Calibration Data Calibration Calibration Instrument Manufacturer Model No. Serial No. Characteristics Remark Date Due Date Spectrum Conducted R&S FSV40 100979 9kHz~40GHz Dec. 26, 2016 Dec. 25, 2017 analyzer (DF01-CB) Vector Signal Conducted R&S SMU200A 102782 25MHz-6GHz Dec. 16, 2016 Dec. 15, 2017 generator (DF01-CB) Conducted RF Power Divider ANAREN 2 Way DFS-01-DV-02 1GHz ~ 6GHz Oct. 24, 2016 Oct. 23, 2017 (DF01-CB) Conducted RF Power Divider MTJ 2 Way DFS-01-DV-03 1GHz ~ 6GHz Oct. 24, 2016 Oct. 23, 2017 (DF01-CB) Conducted RF Power Divider ANAREN 4 Way DFS-01-DV-01 1GHz ~ 6GHz Oct. 24, 2016 Oct. 23, 2017 (DF01-CB) Conducted RF Cable-high Woken RG402 High Cable-53 1 GHz –18 GHz Oct. 24, 2016 Oct. 23, 2017 (DF01-CB) Conducted RF Cable-high Woken RG402 High Cable-54 1 GHz –18 GHz Oct. 24, 2016 Oct. 23, 2017 (DF01-CB) Conducted RF Cable-high Woken RG402 High Cable-56 1 GHz –18 GHz Oct. 24, 2016 Oct. 23, 2017 (DF01-CB) Conducted RF Cable-high Woken RG402 High Cable-60 1 GHz –18 GHz Oct. 24, 2016 Oct. 23, 2017 (DF01-CB) Note: Calibration Interval of instruments listed above is one year. SPORTON INTERNATIONAL INC. Page No. : 27 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW

FCC DFS Test Report Report No. : FZ791514 5 Measurement Uncertainty Test Items Uncertainty Remark Conducted Emission 1.7 dB Confidence levels of 95% SPORTON INTERNATIONAL INC. Page No. : 28 of 28 TEL : 886-3-327-3456 Report Version : Rev. 01 FAX : 886-3-327-0973 Issued Date : Oct. 16, 2017 FCC ID : NKR-ATTC71KW


Document Created: 2019-10-01 21:41:25
Document Modified: 2019-10-01 21:41:25
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