2AIV6-T521PoC Radio

PoC Radio Inrico Technologies Co.,Ltd. A1703, Shenzhen National Engineering Laboratory Building, No. 20 Gaoxin South 7th Road,Shenzhen,China T521 E-GSM 900:880-960MHzDCS 1800:1710-1880MHzWCDMA Band 1:1920-2170MHzWCDMA Band 8:880-960MHzLTE Band 1:1920-2170MHzLTE Band 3:1710-1880MHzLTE Band 7:2500-2690MHzLTE Band 8:880-960MHzLTE Band 20:791-862MHzLTE Band 28:703-803MHzLTE Band 38:2570-2620MHzLTE Band 39: 1880-1920MHzLTE Band 40:2300-2400MHzGPS L1 C/A:1559-1610MHz 3.7V For CE ISED Warning This product meets the applicable Innovation, Science, and Economic Development Canad technical specifications. Le présent matériel est conforme aux specifications techniques applicables d’ Innovation, Sciences et Développement économique Canada. This device complies with Innovation, Science, and Economic Development Canad licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. Le présent appareil est conforme aux CNR d' Innovation, Sciences et Développement économique Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareil nedoit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement. FCC RF Exposure Requirements: For body-worn operation, this radio has been tested and meets the FCC RF exposure guidelines when used with accessories supplied or designated for this product. Use of other accessories may not ensure compliance with FCC RF exposure guidelines. Use only the supplied antenna. Unauthorized antennas, modifications or attachments could damage the transmitter and may violate FCC regulations. Hold the transmitter approximately 25 mm from your face and speak in a normal voice, with the antenna pointed up and away. ISED Radiation Exposure Statement For body worn operation, this model device has been tested and meets the ISED RF exposure guidelines when used with an accessory designated for this product or when used with an accessory that Contains no metal and that positions of the face up minimum distance is 25 mm. Pour le corps, ce modèle d’appareil a été testé et adapté à la RF renforcée Lignes directrices relatives à l’exposition lorsqu’elles sont utilisées avec un accessoire pour ce produit ou lorsqu’ elles sont utilisées avec celui-ci Un acces-soire ne contenant pas de métal et dont la distance minimale de la face est de 25 mm.

Inric Addr Shen Ema Tel: Fax: Dat e FED Aut 743 Colu Dea Our this Ban disa activ Sin c Sig n We n Ma n co Technologi ress: A1703, S nzhen China ail: sales@inri +86 0755-832 0755-826899 e: 2024-06-1 DERAL CO thorization a 5 Oakland M umbia, MD ar Sir/Madam r product Po product on nd 2/4/5/7/3 abled to use vate it. cerely, nature: nshun Zhan nager ies Co.,Ltd Shenzhen Nat icosolutions.co 273589 12 12 OMMUNICA and Evaluat Mills Road D 21046 m, oC Radio, m nly supports 38/41(2535- by manufa ng tional Enginee om ATIONS C tion Divisio model:T521, GPRS/ED -2655 MHz acturer in the ering Laborato COMMISSIO on , FCC ID: 2A DGE: 850/19 z)/66.The ot e software, ory Building, ONS AIV6-T521 900, WCDM ther function the end use No. 20 Gaoxi , for marke MA Band 2 ns, bands an er has no cap in South 7th R ting purpos 2/4/5, LTE nd modes w pability to Road se, was

Inrico Technologies Co.,Ltd Address: A1703, Shenzhen National Engineering Laboratory Building, No. 20 Gaoxin South 7th Road Shenzhen China Email: [email protected] Tel: +86 0755-83273589 Fax:0755-82689912 CFR 47 §2.911(d)(5)(i) Attestation Letter Attestation Letter Date: 06/12/2024 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(i) Filing FCC ID: 2AIV6-T521 Inrico Technologies Co.,Ltd certifies that the equipment for which authorization is sought, is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely Yours, Signature: Printed Name: Wenshun Zhang Title: Manager

Inrico Technologies Co.,Ltd Address: A1703, Shenzhen National Engineering Laboratory Building, No. 20 Gaoxin South 7th Road Shenzhen China Email: [email protected] Tel: +86 0755-83273589 Fax:0755-82689912 CFR 47 §2.911 (d)(5)(ii) Attestation Letter Attestation Letter Date: 06/12/2024 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5) (ii) Filing FCC ID:2AIV6-T521 Inrico Technologies Co.,Ltd certifies that as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely Yours, Signature: Printed Name: Wenshun Zhang Title: Manager

U.S. AGENT LETTER OF ATTESTATION Date: 2024-06-12 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(7) Filing FCC ID: 2AIV6-T521 Inrico Technologies Co.,Ltd certifies that, as of the date of the filing of the application, SHAO HONGFEI is our designated U.S. agent for service of process for the above referenced FCC ID. Inrico Technologies Co.,Ltd accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. SHAO HONGFEI accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Name: SHAO HONGFEI Address: 1004 Oster Drive NW, Suite C, Huntsville AL 35816 FRN: 0033462516 Tel.: +1 (205) 370 4346 Email:[email protected] Signed by (printed name):Warren Sandusky Signature: Applicant: Inrico Technologies Co.,Ltd Address: A1703, Shenzhen National Engineering Laboratory Building, No. 20 Gaoxin South 7th Road Shenzhen China FRN: 0025688870 Tel: +86 0755-83273589 Email:[email protected] Signed by (printed name): Wenshun Zhang Signature:

Inrico Technologies Co.,Ltd Address: A1703, Shenzhen National Engineering Laboratory Building, No. 20 Gaoxin South 7th Road Shenzhen China Email: [email protected] Tel: +86 0755-83273589 Fax:0755-82689912 QA-FR-170-B 7/29/2014 FCC Authorization Date: 2024-06-12 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 S ubject: Agent Authorization T o whom it may concern: We, Inrico Technologies Co.,Ltd, the undersigned, hereby authorizes Bay Area Compliance Laboratories Corp. (Dongguan) to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Bay Area Compliance Laboratories Corp. (Dongguan) on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. T his authorization is valid until further written notice from the applicant. S incerely Yours, Si gnature: P rinted Name: Wenshun Zhang T itle: Manager

Inrico Technologies Co.,Ltd Address: A1703, Shenzhen National Engineering Laboratory Building, No. 20 Gaoxin South 7th Road Shenzhen China Email: [email protected] Tel: + 86 0755-83273589 Fax:0755-82689912 FCC Confidential Authorization Date: 2024-06-12 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID:2AIV6-T521 In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, Inrico Technologies Co.,Ltd hereby requests long-term confidential treatment of information accompanying this application as outlined below: • Block Diagram • Schematics • Operation Description • Parts List/Tune up procedure The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely Yours, Signature: Printed Name: Wenshun Zhang Title: Manager

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: SZGMA240326-15607E-RF-EXP Page 1 / 10 EUT EXTERNAL PHOTOS Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: SZGMA240326-15607E-RF-EXP Page 2 / 10 Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: SZGMA240326-15607E-RF-EXP Page 3 / 10 Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: SZGMA240326-15607E-RF-EXP Page 4 / 10 Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: SZGMA240326-15607E-RF-EXP Page 5 / 10 Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: SZGMA240326-15607E-RF-EXP Page 6 / 10 Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: SZGMA240326-15607E-RF-EXP Page 7 / 10 Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: SZGMA240326-15607E-RF-EXP Page 8 / 10 Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: SZGMA240326-15607E-RF-EXP Page 9 / 10 Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: SZGMA240326-15607E-RF-EXP Page 10 / 10 WWAN Antenna

CE Label Format Proposed Location of Label on EUT

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: SZGMA240326-15607E-RF-INP Page 1 / 11 EUT INTERNAL PHOTOS Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: SZGMA240326-15607E-RF-INP Page 2 / 11 Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: SZGMA240326-15607E-RF-INP Page 3 / 11 BT Antenna(no use) Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: SZGMA240326-15607E-RF-INP Page 4 / 11 WWAN Antenna Port Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: SZGMA240326-15607E-RF-INP Page 5 / 11 Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: SZGMA240326-15607E-RF-INP Page 6 / 11 Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: SZGMA240326-15607E-RF-INP Page 7 / 11 Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: SZGMA240326-15607E-RF-INP Page 8 / 11 Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: SZGMA240326-15607E-RF-INP Page 9 / 11 GPS Antenna Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: SZGMA240326-15607E-RF-INP Page 10 / 11 Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: SZGMA240326-15607E-RF-INP Page 11 / 11

Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 1 of 2 Version 1.0 (2023/10/07) APPENDIX B EUT TEST POSITION PHOTOS Liquid depth ≥ 15cm Phantom: SAM-Twin V8.0 P1aP2a; Type: QD 000 P41 AA ; Serial: 1962 Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 2 of 2 Version 1.0 (2023/10/07) Face Up Setup Photo (25 mm) Body Back Setup Photo (0 mm)

Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 1 of 39 Version 1.0 (2023/10/07) APPENDIX C PROBE CALIBRATION CERTIFICATES Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 2 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 3 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 4 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 5 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 6 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 7 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 8 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 9 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 10 of 39 Version 1.0 (2023/10/07) APPENDIX D DIPOLE CALIBRATION CERTIFICATES Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 11 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 12 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 13 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 14 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories 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TR-EM-SA005 Page 22 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 23 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 24 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 25 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 26 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 27 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 28 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 29 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 30 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 31 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 32 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 33 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 34 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 35 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 36 of 39 Version 1.0 (2023/10/07) Bay Area Compliance Laboratories Corp.(Shenzhen) Report 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Note: The information marked # is provided by the applicant, the laboratory is not responsible for its authenticity and this information can affect the validity of the result in the test report. Customer model name, addresses, names, trademarks etc. are included. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. This report must not be used by the customer to claim product certification, approval, or endorsement by NVLAP or any agency of the U.S. Government. This report may contain data that are not covered by the NVLAP accreditation and are marked with an asterisk “▼”. Bay Area Compliance Laboratories Corp. (Shenzhen) 5F(B-West) , 6F, 7F, the 3rd Phase of Wan Li Industrial Building D, Shihua Rd, FuTian Free Trade Zone, Shenzhen, China Tel: +86-755-33320018Fax: +86-755-33320008www.baclcorp.com.cn TR-EM-SA005 Page 1 of 65 Version 1.0 (2023/10/07) TEST REPORT Applicant Name: Inrico Technologies Co.,Ltd. Address: A1703, Shenzhen National Engineering Laboratory Building, No. 20 Gaoxin South 7th Road,Shenzhen,China Report Number: SZGMA240325-15480E-SAA FCC ID: 2AIV6-T521 Test Standard (s) FCC 47 CFR part 2.1093 Sample Description Product Type: PoC Radio Model No.: T521 Trade Mark: Inrico Serial Number: 2J4U-1 Date Received: 2024/03/26 Date of Test: 2024/04/18~2024/04/20 Issue Date: 2024/07/12 Test Result: Pass ▲ ▲In the configuration tested, the EUT complied with the standards above. Prepared and Checked By: Approved By: Sid Luo Luke Jiang SAR Engineer SAR Engineer Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 2 of 65 Version 1.0 (2023/10/07) Attestation of Test Results Frequency Band Max. SAR Level(s) Reported(W/kg) Limit(W/Kg) GSM 850 0.20 W/kg 1g Face Up SAR 0.58 W/kg 1g Body SAR 1.6 PCS 1900 0.08 W/kg 1g Face Up SAR 0.16 W/kg 1g Body SAR WCDMA Band 2 0.13 W/kg 1g Face Up SAR 0.26 W/kg 1g Body SAR WCDMA Band 4 0.15 W/kg 1g Face Up SAR 0.31 W/kg 1g Body SAR WCDMA Band 5 0.26 W/kg 1g Face Up SAR 0.66 W/kg 1g Body SAR LTE Band 2 0.18 W/kg 1g Face Up SAR 0.31 W/kg 1g Body SAR LTE Band 5 0.35 W/kg 1g Face Up SAR 0.79 W/kg 1g Body SAR LTE Band 7 0.09 W/kg 1g Face Up SAR 0.22 W/kg 1g Body SAR LTE Band 41&38 0.04 W/kg 1g Face Up SAR 0.09 W/kg 1g Body SAR LTE Band 66&4 0.18 W/kg 1g Face Up SAR 0.38 W/kg 1g Body SAR Applicable Standards FCC 47 CFR part 2.1093 Radiofrequency radiation exposure evaluation: portable devices RF Exposure Procedures: TCB WorkshopApril2019 IEEE1528:2013 IEEE Recommended Practice for Determining the Peak Spatial-Average Specific Absorption Rate (SAR) in the Human Head from Wireless Communications Devices: Measurement Techniques IEC 62209-1:2016 Measurement procedure for the assessment of specific absorption rate of human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices – Part 1: Devices used next to the ear (Frequenc y range of 300 MHz to 6 GHz) KDB procedures KDB 447498 D01 General RF Exposure Guidance v06 KDB 648474 D04 Handset SAR v01r03 KDB 865664 D01 SAR Measurement 100 MHz to 6 GHz v01r04 KDB 865664 D02 RF Exposure Reporting v01r02 KDB 941225 D01 3G SAR Procedures v03r01 KDB 941225 D05 SAR for LTE Devices v02r05 Note: This wireless device has been shown to be capable of compliance for localized specific absorption rate (SAR) for General Population/Uncontrolled Exposure limits specified in FCC 47 CFR part 2.1093 and has been tested in accordance with the measurement procedures specified in IEEE 1528-2013 and RF exposure KDB procedures. The results and statements contained in this report pertain only to the device(s) evaluated. Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 3 of 65 Version 1.0 (2023/10/07) TABLE OF CONTENTS DOCUMENT REVISION HISTORY ......................................................................................................................... 4 EUT DESCRIPTION ................................................................................................................................................... 5 TECHNICAL SPECIFICATION ......................................................................................................................................... 5 REFERENCE, STANDARDS, AND GUILDELINES .............................................................................................. 6 SAR LIMITS ................................................................................................................................................................ 6 FACILITIES ................................................................................................................................................................. 7 DESCRIPTION OF TEST SYSTEM .......................................................................................................................... 8 EQUIPMENT LIST AND CALIBRATION ............................................................................................................. 15 EQUIPMENT’S LIST & CALIBRATION INFORMATION .................................................................................................. 15 SAR MEASUREMENT SYSTEM VERIFICATION ............................................................................................. 16 LIQUID VERIFICATION ............................................................................................................................................... 16 SYSTEM ACCURACY VERIFICATION .......................................................................................................................... 18 SAR SYSTEM VALIDATION DATA .........................................................…

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Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA Page 1 of 30 Plot: 1# DUT: PoC Radio; Type: T521; Serial: 2J4U-1 Communication System: UID 0, Generic GPRS-3 slots (0); Frequency: 836.6 MHz;Duty Cycle: 1:2.66 Medium parameters used: f = 836.6 MHz; σ = 0.897 S/m; ε r = 42.641; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY5 Configuration:  Probe: EX3DV4 - SN7382; ConvF(10.65, 10.65, 10.65) @ 836.6 MHz;  Sensor-Surface: 1.4mm (Mechanical Surface Detection)  Electronics: DAE4 Sn1325; Calibrated: 9/27/2023  Phantom: SAM-Twin V8.0 P1aP2a; Type: QD 000 P41 AA ; Serial: 1962  Measurement SW: DASY52, Version 52.10 (2); Face Up/GSM 850 Mid/Area Scan (8x10x1): Measurement grid: dx=15mm, dy=15mm Maximum value of SAR (measured) = 0.220 W/kg Face Up/GSM 850 Mid/Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 13.99 V/m; Power Drift = 0.03 dB Peak SAR (extrapolated) = 0.260 W/kg SAR(1 g) = 0.187 W/kg; SAR(10 g) = 0.136 W/kg Maximum value of SAR (measured) = 0.233 W/kg 0 dB = 0.233 W/kg = -6.33 dBW/kg Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA Page 2 of 30 Plot: 2# DUT: PoC Radio; Type: T521; Serial: 2J4U-1 Communication System: UID 0, Generic GPRS-3 slots (0); Frequency: 836.6 MHz;Duty Cycle: 1:2.66 Medium parameters used: f = 836.6 MHz; σ = 0.897 S/m; ε r = 42.641; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY5 Configuration:  Probe: EX3DV4 - SN7382; ConvF(10.65, 10.65, 10.65) @ 836.6 MHz;  Sensor-Surface: 1.4mm (Mechanical Surface Detection)  Electronics: DAE4 Sn1325; Calibrated: 9/27/2023  Phantom: SAM-Twin V8.0 P1aP2a; Type: QD 000 P41 AA ; Serial: 1962  Measurement SW: DASY52, Version 52.10 (2); Body Back/GSM 850 Mid/Area Scan (8x10x1): Measurement grid: dx=15mm, dy=15mm Maximum value of SAR (measured) = 0.681 W/kg Body Back/GSM 850 Mid/Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 24.36 V/m; Power Drift = -0.01 dB Peak SAR (extrapolated) = 0.766 W/kg SAR(1 g) = 0.553 W/kg; SAR(10 g) = 0.389 W/kg Maximum value of SAR (measured) = 0.686 W/kg 0 dB = 0.686 W/kg = -1.64 dBW/kg Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA Page 3 of 30 Plot: 3# DUT: PoC Radio; Type: T521; Serial: 2J4U-1 Communication System: UID 0, Generic GPRS-3 slots (0); Frequency: 1880 MHz;Duty Cycle: 1:2.66 Medium parameters used: f = 1880 MHz; σ = 1.384 S/m; ε r = 39.467; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY5 Configuration:  Probe: EX3DV4 - SN7382; ConvF(8.3, 8.3, 8.3) @ 1880 MHz;  Sensor-Surface: 1.4mm (Mechanical Surface Detection)  Electronics: DAE4 Sn1325; Calibrated: 9/27/2023  Phantom: SAM-Twin V8.0 P1aP2a; Type: QD 000 P41 AA ; Serial: 1962  Measurement SW: DASY52, Version 52.10 (2); Face Up/GSM 1900 Mid/Area Scan (8x10x1): Measurement grid: dx=15mm, dy=15mm Maximum value of SAR (measured) = 0.0880 W/kg Face Up/GSM 1900 Mid/Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 6.431 V/m; Power Drift = -0.07 dB Peak SAR (extrapolated) = 0.103 W/kg SAR(1 g) = 0.067 W/kg; SAR(10 g) = 0.044 W/kg Maximum value of SAR (measured) = 0.0897 W/kg 0 dB = 0.0897 W/kg = -10.47 dBW/kg Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA Page 4 of 30 Plot: 4# DUT: PoC Radio; Type: T521; Serial: 2J4U-1 Communication System: UID 0, Generic GPRS-3 slots (0); Frequency: 1880 MHz;Duty Cycle: 1:2.66 Medium parameters used: f = 1880 MHz; σ = 1.384 S/m; ε r = 39.467; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY5 Configuration:  Probe: EX3DV4 - SN7382; ConvF(8.3, 8.3, 8.3) @ 1880 MHz;  Sensor-Surface: 1.4mm (Mechanical Surface Detection)  Electronics: DAE4 Sn1325; Calibrated: 9/27/2023  Phantom: SAM-Twin V8.0 P1aP2a; Type: QD 000 P41 AA ; Serial: 1962  Measurement SW: DASY52, Version 52.10 (2); Body Back/GSM 1900 Mid/Area Scan (8x10x1): Measurement grid: dx=15mm, dy=15mm Maximum value of SAR (measured) = 0.188 W/kg Body Back/GSM 1900 Mid/Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 8.648 V/m; Power Drift = 0.02 dB Peak SAR (extrapolated) = 0.215 W/kg SAR(1 g) = 0.144 W/kg; SAR(10 g) = 0.091 W/kg Maximum value of SAR (measured) = 0.192 W/kg 0 dB = 0.192 W/kg = -7.17 dBW/kg Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA Page 5 of 30 Plot: 5# DUT: PoC Radio; Type: T521; Serial: 2J4U-1 Communication System: UID 0, WCDMA (0); Frequency: 1880 MHz;Duty Cycle: 1:1 Medium parameters used: f = 1880 MHz; σ = 1.384 S/m; ε r = 39.467; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY5 Configuration:  Probe: EX3DV4 - SN7382; ConvF(8.3, 8.3, 8.3) @ 1880 MHz;  Sensor-Surface: 1.4mm (Mechanical Surface Detection)  Electronics: DAE4 Sn1325; Calibrated: 9/27/2023  Phantom: SAM-Twin V8.0 P1aP2a; Type: QD 000 P41 AA ; Serial: 1962  Measurement SW: DASY52, Version 52.10 (2); Face Up/WCDMA Band 2 Mid/Area Scan (8x10x1): Measurement grid: dx=15mm, dy=15mm Maximum value of SAR (measured) = 0.165 W/kg Face Up/WCDMA Band 2 Mid/Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 8.908 V/m; Power Drift = 0.06 dB Peak SAR (extrapolated) = 0.190 W/kg SAR(1 g) = 0.124 W/kg; SAR(10 g) = 0.080 W/kg Maximum value of SAR (measured) = 0.166 W/kg 0 dB = 0.166 W/kg = -7.80 dBW/kg Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA Page 6 of 30 Plot: 6# DUT: PoC Radio; Type: T521; Serial: 2J4U-1 Communication System: UID 0, WCDMA (0); Frequency: 1880 MHz;Duty Cycle: 1:1 Medium parameters used: f = 1880 MHz; σ = 1.384 S/m; ε r = 39.467; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY5 Configuration:  Probe: EX3DV4 - SN7382; ConvF(8.3, 8.3, 8.3) @ 1880 MHz;  Sensor-Surface: 1.4mm (Mechanical Surface Detection)  Electronics: DAE4 Sn1325; Calibrated: 9/27/2023  Phantom: SAM-Twin V8.0 P1aP2a; Type: QD 000 P41 AA ; Serial: 1962  Measurement SW…

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Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: SZGMA240325-15480E-SAA TR-EM-SA005 Page 1 of 10 Version 1.0 (2023/10/07) APPENDIX E RETURN LOSS&IMPEDANCE MEASUREMENT Equipment Details: Description: Dipole Manufacturer: Speag Model Number: D750V3 Serial Number: 1229 Calibration Date: 2024/03/26 Calibrated By: Bob Lu Signature: All Calibration have been conducted in the closed laboratory facility: Lab Temperature 18°C-25°C and humidity < 70% The calibration methods and procedures used were as detailed in: KDB Publication Number: “KDB865664 D01 SAR Measurement 100 MHz to 6 GHz” 1.The return-loss does not deviate more than 20% from the previous measurement and meets the required 20dB minimum return-loss requirement. 2.The measurement of real or imaginary parts of impedance does not deviate more than 5Ω from the previous measurement. Calibrated Equipment: Equipment Model S/N Calibration Date Calibration Due Date Simulated Tissue Liquid Head HBBL600-10000V62200808-2 Each Time SAM Twin Phantom SAM-Twin V8.0 1962 NCR NCR Network Analyzer E5071C SER MY46519680 2023/06/08 2024/06/07 Network Analyzer Calibration Kit 50 Ω 51026 NCR NCR Test Data: Frequency (MHz) Simulated Liquid Parameter Measured Value Target Value Deviation Reference Range Results 750 Head Return Loss 27.796 dB 29.503 dB -5.786% ±20%; ≥20dB Pass Real Impedan…

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