WBK-RU4370415G Integrated Base Station

nCELL-M4370 5G Integrated DATASHEET Copyright © 2024 BTI WIRELESS All rights reserved. nCELL-M4370 5G Integrated Base Station 5W 4T4R All-in-one Design Clock Synchronization The nCELL-M4370 from BTI WIRELESS is based on advanced multi-core ARM and FPGA solutions and adopts an integrated design method of 5G BBU and RRU. Based on a completely independent research and development protocol stack and system software, it realizes a complete 5G NR wireless access, which can quickly provide users with a reliable 5G wireless coverage network. The nCELL-M4370 has the advantages of low power consumption, small size, convenient construction, etc., and is suitable for applications in many 5G vertical industries. nCELL-M4370 5G Integrated DATASHEET Copyright © 2024 BTI WIRELESS All rights reserved. SYSTEM FUNCTIONS Standard 3GPP R16 Number of Cells 1 x 4T4R or 2 x 2T2R Cell Capacity 400 RRC users per cell Cell Throughput DL 1.5 Gbps, UL 260 Mbps (DDDSU) DL 658 Mbps, UL 669 Mbps (DSUUU) Operating Frequency Band N41:2496-2690MHz； Channel Bandwidth 100MHz RF Power 4*5W Duplex Mode TDD Subcarrier 30 kHz Clock Synchronization Method GPS, 1588V2 clock synchronization Power Supply DC -48V or AC 220V (100V ~ 240V) (need extra power) Power Consumption < 230W HARDWARE INTERFACE Fronthaul (Connect To Remote RRU)/Backhaul/ Cascade Interface 10G SFP+ optical port DEBUG/RGPS Interface Cable port Power Input Waterproof aviation plug Radio Frequency Interface ANT1 - ANT4 4.3-10 GPS Antenna Connector GPSN STRUCTURE PARAMETERS Total Weight < 17 kg | 37.48 lbs Dimension 378.5 x 278.5 x 195 mm | 14.90 x 10.96 x 7.68 in Installation Method Supports pole installation, hanging installation, wall installation ENVIRONMENTAL SPECIFICATIONS Protection Level IP65 Operating Temperature -40 °C ~ +55 °C | -40 °F ~ +131 °F Working Humidity 5% ~ 95% Working Pressure 70kPa ~ 106kPa nCELL-M4370 5G Integrated DATASHEET Copyright © 2024 BTI WIRELESS All rights reserved. FCC Statement Please take attention that changes or modification not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. RF Exposure Information This device has been tested and meets applicable limits for Radio Frequency (RF) exposure. This equipment must be installed and operated in accordance with provided instructions and the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 236.5 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. This device must be professionally installed. Contact Us Today www.btiwireless.com [email protected]

This device complies with Part 15 of the FCC Rules.Operation is subject to the following two conditions:(1) this device may not cause harmful interference,and (2)this device must accept any interference received,includinginterference that may cause undesired operation. Serial:nCELL-M4370-41412A1-B XXXXXXX MFG Date: DD-MM-YYYY XXXXXXXXXXXXXX Product Name: 5G Integrated Base Station Model: nCELL-M4370 FCC ID: WBK-RU437041 Input: -48V 5A Manufacturer: BTI Wireless Address: 11205 Knott Avenue – Suite A, Cypress, CA 90630 United State Designed in USA , assembled in China Serial:nCELL-M4370-41412A1-B XXXXXXX MFG Date: DD-MM-YYYY XXXXXXXXXXXXXX Product Name: 5G Integrated Base Station Model: nCELL-M4370 FCC ID: WBK-RU437041 Input: -48V 5A Manufacturer: BTI Wireless Address: 11205 Knott Avenue – Suite A, Cypress, CA 90630 United States Design in USA , assembled in China This device complies with Part 15 of the FCC Rules.Operation is subject to the following two conditions:(1) this device may not cause harmful interference,and (2) this device must accept any interference received,including interference that may cause undesired operation.

Compliance Certification Services (Kunshan) Inc. Page: 1 of 12 Internal Photos for KSCR2404000648AT Test Model No.: nCELL-M4370 Compliance Certification Services (Kunshan) Inc. Page: 2 of 12 EUT Constructional Details (EUT Photos) Compliance Certification Services (Kunshan) Inc. Page: 3 of 12 Compliance Certification Services (Kunshan) Inc. Page: 4 of 12 Compliance Certification Services (Kunshan) Inc. Page: 5 of 12 Compliance Certification Services (Kunshan) Inc. Page: 6 of 12 Compliance Certification Services (Kunshan) Inc. Page: 7 of 12 Compliance Certification Services (Kunshan) Inc. Page: 8 of 12 Compliance Certification Services (Kunshan) Inc. Page: 9 of 12 Compliance Certification Services (Kunshan) Inc. Page: 10 of 12 Compliance Certification Services (Kunshan) Inc. Page: 11 of 12 Compliance Certification Services (Kunshan) Inc. Page: 12 of 12

Compliance Certification Services (Kunshan) Inc. Page: 1 of 46 Appendix for KSCR2404000648AT 1. Duty Cycle 1.1 30_Single_Ant1 1.1.1 Test Result Band n41 Single NTNV Ant1 BW (MHz) DL Frequency (MHz) Test Mode T_on (ms) Period (ms) Duty Cycle (%) Duty Cycle Correction Factor (dB) Max. DC Variation (%) CC1:100 CC1:2546.01 QPSK 1.214 2.501 48.54 3.14 20.06 256QAM 1.214 2.498 48.60 3.13 20.01 CC1:2592.99 QPSK 1.214 2.501 48.54 3.14 20.06 256QAM 1.214 2.501 48.54 3.14 20.06 CC1:2640 QPSK 1.215 2.499 48.62 3.13 20.08 256QAM 1.214 2.498 48.60 3.13 20.01 Compliance Certification Services (Kunshan) Inc. Page: 2 of 46 1.1.2 Test Graph Compliance Certification Services (Kunshan) Inc. Page: 3 of 46 Compliance Certification Services (Kunshan) Inc. Page: 4 of 46 Compliance Certification Services (Kunshan) Inc. Page: 5 of 46 2. Effective (Isotropic) Radiated Power Output Data 2.1 30_Single_Power 2.1.1 Test Result Band n41 Single NTNV BW (MHz) DL Frequency (MHz) Test Mode Ant Conducted Power (dBm) EIRP (dBm) Verdict Total Limit CC1:100 CC1:2546.01 QPSK 1 37.15 52.15 <=63 Pass 2X2 40.16 55.16 <=63 Pass 4X4 43.17 58.17 <=63 Pass 256QAM 1 37.11 52.11 <=63 Pass 2X2 40.12 55.12 <=63 Pass 4X4 43.13 58.13 <=63 Pass CC1:2592.99 QPSK 1 37.44 52.44 <=63 Pass 2X2 40.45 55.45 <=63 Pass 4X4 43.46 58.46 <=63 Pass 256QAM 1 37.41 52.41 <=63 Pass 2X2 40.42 55.42 <=63 Pass 4X4 43.43 58.43 <=63 Pass CC1:2640 QPSK 1 37.22 52.22 <=63 Pass 2X2 40.23 55.23 <=63 Pass 4X4 43.24 58.24 <=63 Pass 256QAM 1 37.18 52.18 <=63 Pass 2X2 40.19 55.19 <=63 Pass 4X4 43.20 58.20 <=63 Pass Compliance Certification Services (Kunshan) Inc. Page: 6 of 46 2.1.2 Test Graph Compliance Certification Services (Kunshan) Inc. Page: 7 of 46 Compliance Certification Services (Kunshan) Inc. Page: 8 of 46 Compliance Certification Services (Kunshan) Inc. Page: 9 of 46 3. Frequency Stability 3.1 30_Single_Ant1 3.1.1 Test Result Band n41 Single NTNV Ant1 BW (MHz) DL Frequency (MHz) Test Mode Temp. (°C) Voltage (VDC) Result (MHz) Limit (MHz) Verdict CC1:100 CC1:2546.01 QPSK 20 40.8 2497.029 >2496 Pass 48.0 2497.024 >2496 Pass 55.2 2497.035 >2496 Pass -30 48.0 2497.041 >2496 Pass -20 48.0 2497.011 >2496 Pass -10 48.0 2497.015 >2496 Pass 0 48.0 2497.026 >2496 Pass 10 48.0 2497.029 >2496 Pass 30 48.0 2497.045 >2496 Pass 40 48.0 2497.009 >2496 Pass 50 48.0 2497.017 >2496 Pass 256QAM 20 40.8 2496.934 >2496 Pass 48.0 2496.918 >2496 Pass 55.2 2496.911 >2496 Pass -30 48.0 2496.953 >2496 Pass -20 48.0 2496.907 >2496 Pass -10 48.0 2496.945 >2496 Pass 0 48.0 2496.929 >2496 Pass 10 48.0 2496.942 >2496 Pass 30 48.0 2496.930 >2496 Pass 40 48.0 2496.904 >2496 Pass 50 48.0 2496.922 >2496 Pass CC1:2640 QPSK 20 40.8 2688.833 <2690 Pass 48.0 2688.815 <2690 Pass 55.2 2688.826 <2690 Pass -30 48.0 2688.824 <2690 Pass -20 48.0 2688.836 <2690 Pass -10 48.0 2688.844 <2690 Pass 0 48.0 2688.806 <2690 Pass 10 48.0 2688.820 <2690 Pass 30 48.0 2688.818 <2690 Pass 40 48.0 2688.829 <2690 Pass 50 48.0 2688.834 <2690 Pass 256QAM 20 40.8 2688.746 <2690 Pass 48.0 2688.710 <2690 Pass 55.2 2688.735 <2690 Pass -30 48.0 2688.721 <2690 Pass -20 48.0 2688.740 <2690 Pass -10 48.0 2688.725 <2690 Pass 0 48.0 2688.717 <2690 Pass 10 48.0 2688.711 <2690 Pass 30 48.0 2688.705 <2690 Pass 40 48.0 2688.729 <2690 Pass 50 48.0 2688.738 <2690 Pass Compliance Certification Services (Kunshan) Inc. Page: 10 of 46 4. 99% & 26dB Bandwidth 4.1 30_Single_OBW 4.1.1 Test Result Band n41 Single NTNV BW (MHz) DL Frequency (MHz) Test Mode Ant No. 99% Occupied Bandwidth (MHz) Verdict Result Limit CC1:100 CC1:2546.01 QPSK 1 97.97 / Pass 256QAM 1 98.03 / Pass CC1:2592.99 QPSK 1 98.12 / Pass 256QAM 1 97.97 / Pass CC1:2640 QPSK 1 97.55 / Pass 256QAM 1 97.56 / Pass Compliance Certification Services (Kunshan) Inc. Page: 11 of 46 4.1.2 Test Graph Compliance Certification Services (Kunshan) Inc. Page: 12 of 46 Compliance Certification Services (Kunshan) Inc. Page: 13 of 46 Compliance Certification Services (Kunshan) Inc. Page: 14 of 46 4.2 30_Single_XDB 4.2.1 Test Result Band n41 Single NTNV BW (MHz) DL Frequency (MHz) Test Mode Ant No. 26dB Bandwidth (MHz) Verdict Result Limit CC1:100 CC1:2546.01 QPSK 1 104.95 / Pass 256QAM 1 104.88 / Pass CC1:2592.99 QPSK 1 105.03 / Pass 256QAM 1 105.05 / Pass CC1:2640 QPSK 1 104.65 / Pass 256QAM 1 104.67 / Pass Compliance Certification Services (Kunshan) Inc. Page: 15 of 46 4.2.2 Test Graph Compliance Certification Services (Kunshan) Inc. Page: 16 of 46 Compliance Certification Services (Kunshan) Inc. Page: 17 of 46 Compliance Certification Services (Kunshan) Inc. Page: 18 of 46 5. Peak-Average Ratio 5.1 30_Single 5.1.1 Test Result Band n41 Single NTNV Ant1 BW (MHz) DL Frequency (MHz) Test Mode Ant No. Peak-Average Ratio (dB) Verdict Result Limit CC1:100 CC1:2546.01 QPSK 1 10.48 <=13 Pass 256QAM 1 10.37 <=13 Pass CC1:2592.99 QPSK 1 10.48 <=13 Pass 256QAM 1 10.31 <=13 Pass CC1:2640 QPSK 1 10.43 <=13 Pass 256QAM 1 10.32 <=13 Pass Compliance Certification Services (Kunshan) Inc. Page: 19 of 46 5.1.2 Test Graph Compliance Certification Services (Kunshan) Inc. Page: 20 of 46 Compliance Certification Services (Kunshan) Inc. Page: 21 of 46 Compliance Certification Services (Kunshan) Inc. Page: 22 of 46 6. Spurious Emission 6.1 30_Single 6.1.1 Test Result Band n41 Single NTNV Ant1 BW (MHz) DL Frequency (MHz) Test Mode Ant No. Spurious Emission Verdict Result Limit CC1:100 CC1:2546.01 QPSK 1 Refer To Test Graph Pass 256QAM 1 Refer To Test Graph Pass CC1:2592.99 QPSK 1 Refer To Test Graph Pass 256QAM 1 Refer To Test Graph Pass CC1:2640 QPSK 1 Refer To Test Graph Pass 256QAM 1 Refer To Test Graph Pass Compliance Certification Services (Kunshan) Inc. Page: 23 of 46 6.1.2 Test Graph Compliance Certification Services (Kunshan) Inc. Page: 24 of 46 Compliance Certification Services (Kunshan) Inc. Page: 25 of 46 Compliance Certification Services (Kunshan) Inc. Page: 26 of 46 Compliance Certification Services (Kunshan) Inc. Page: 27 of 46 Compliance Certification Services (Kunshan) Inc. Page: 28 of 46 Compliance Cert…

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Compliance Certification Services (Kunshan) Inc. CCSEM-TRF-001 Rev. 02 Sep 01, 2023 Report No.: KSCR240400064801 Page: 1 of 19 TEST REPORT Application No.: KSCR2404000648AT FCC ID: WBK-RU437041 Applicant: BTI Wireless Address of Applicant: 11205 Knott Avenue – Suite A, Cypress, CA 90630 United States Manufacturer: BTI Wireless Address of Manufacturer: 11205 Knott Avenue – Suite A, Cypress, CA 90630 United States Equipment Under Test (EUT): EUT Name: 5G Integrated Base Station Model No.: nCELL-M4370 Trade mark: Standard(s) : 47 CFR Part 2 47 CFR Part 27 Date of Receipt: 2024-04-08 Date of Test: 2024-04-09 to 2024-05-13 Date of Issue: 2024-05-14 Test Result: Pass * In the configuration tested, the EUT complied with the standards specified above. Compliance Certification Services (Kunshan) Inc. CCSEM-TRF-001 Rev. 02 Sep 01, 2023 Report No.: KSCR240400064801 Page: 2 of 19 Revision Record Version Description Date Remark 00 Original 2024-05-14 / Authorized for issue by: Tested By Damon Zhou /Project Engineer Approved By Terry Hou /Reviewer Compliance Certification Services (Kunshan) Inc. CCSEM-TRF-001 Rev. 02 Sep 01, 2023 Report No.: KSCR240400064801 Page: 3 of 19 2 Test Summary Test Item FCC Rule No. Verdict Effective (Isotropic) Radiated Power Output Data §2.1046, §27.50 PASS Peak-Average Ratio §27.50 PASS Modulation Characteristics §2.1047 PASS Bandwidth §2.1049 PASS Band Edge Compliance §2.1051, §27.53 PASS Spurious emissions at antenna terminals §2.1051, §27.53 PASS Field strength of spurious radiation §2.1051, §27.55 PASS Frequency stability §2.1055, PASS Remark: This base station supports N41 and the frequency range is 2496-2690MHz. So we evaluated and tested all the band of Power and PSD, and the rest of the test items were tested based on the maximum power. EUT: In this whole report EUT means Equipment Under Test. Tx: In this whole report Tx (or tx) means Transmitter. Rx: In this whole report Rx (or rx) means Receiver. Compliance Certification Services (Kunshan) Inc. CCSEM-TRF-001 Rev. 02 Sep 01, 2023 Report No.: KSCR240400064801 Page: 4 of 19 3 Contents Page 1 COVER PAGE ............................................................................................................................................ 1 2 Test Summary ................................................................................................................................................. 3 3 Contents .......................................................................................................................................................... 4 4 General Information ........................................................................................................................................ 5 4.1 Details of E.U.T. ...................................................................................................................................... 5 4.2 Test Frequency ....................................................................................................................................... 5 4.3 Test Support Unit ................................................................................................................................... 6 4.4 Measurement Uncertainty ..................................................................................................................... 6 4.5 Test Location .......................................................................................................................................... 7 4.6 Test Facility ............................................................................................................................................. 7 4.7 Deviation from Standards ..................................................................................................................... 7 4.8 Abnormalities from Standard Conditions ............................................................................................ 7 5 Equipment List ................................................................................................................................................ 8 6 Radio Spectrum Matter Test Results .......................................................................................................... 10 6.1 Effective (Isotropic) Radiated Power Output Data ............................................................................ 10 6.2 Peak-Average Ratio ............................................................................................................................. 11 6.3 Band Edge Compliance ....................................................................................................................... 12 6.4 Spurious emissions at antenna terminals ......................................................................................... 13 6.5 Field strength of spurious radiation................................................................................................... 14 6.6 Frequency stability .............................................................................................................................. 18 7 Test Setup Photographs .............................................................................................................................. 19 8 EUT Constructional Details ......................................................................................................................... 19 Compliance Certification Services (Kunshan) Inc. CCSEM-TRF-001 Rev. 02 Sep 01, 2023 Report No.: KSCR240400064801 Page: 5 of 19 4 General Information 4.1 Details of E.U.T. Product Name: 5G Integrated Base Station Model No.: nCELL-M4370 Antenna Type: External Antenna Antenna Gain: Max Antenna Gain 15 dBi(Provided by manufacturer) Power Supply: 48V DC, ±20% Test Voltage DC 48V Support Bandwidth: 100MHz Type of Modulation CP-OFDM: QPSK, 256QAM Frequency Band: n41 Frequency Range: 2496MHz-2690MHz Normal Output Power: Max. 37±1dBm for SIS…

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Compliance Certification Services (Kunshan) Inc. Page: 1 of 3 Appendix Photographs of Test setup photo for KSCR2404000648AT Test Model No.: nCELL-M4370 Compliance Certification Services (Kunshan) Inc. Page: 2 of 3 Test setup photo RF conducted test setup Radiated test setup Compliance Certification Services (Kunshan) Inc. Page: 3 of 3