2BS83-G27UPortable Google TV

Shenzhen Shengda Zhilian Technology Co., Ltd 1 | P a g e Attestation Statements To: Federal Communications Commission Date: Nov. 28, 25 7435 Oakland Mills Road, Columbia, MD 21046, USA Subject: Attestation of Compliance with FCC Covered List Software Requirements FCC ID: [2BS83-G27U] Product Name: [Portable Google TV] This letter serves as an attestation that the equipment identified above ☐ is / ☒ is not (select one) "covered" software as defined under the Federal Communications Commission (FCC) Covered List requirements, as outlined in FCC 22-84 and KDB 986446. Specifically, the undersigned certifies that the equipment for which authorization is sought: 1. Does not contain cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors, assignees, parents, subsidiaries, affiliates, or any entity that has rebranded or relabeled software produced by the aforementioned entities. 2. Does not have the capability to store, run, or deliver any software identified on the FCC Covered List, including but not limited to cybersecurity and anti-virus software. To support this attestation, the appendix evaluation documentation has been prepared and is included in the certification filing. This attestation is based on a thorough evaluation of the device's design, functionality, and software environment. The undersigned affirms that the information provided is accurate and complete to the best of their knowledge. Sincerely yours, Applicant Signature Printed Name: Shenzhen Shengda Zhilian Technology Co., Ltd Title: manager Address: 2nd Floor, Building 4, No. 161 Xingye 1st Road, Fenghuang Community, Fuyong Street, Bao'an District，Shenzhen China Tel.: 15989473390 Email: [email protected] Shenzhen Shengda Zhilian Technology Co., Ltd 2 | P a g e Evaluation regarding to the Covered List Software: Compliance Methodology Evaluation Process Results Device is Inherent compliance ☐ The Chipset(s) used is limited to run the Cybersecurity or anti-virus software. Compliance ☐ The Memory used is limited to run the Cybersecurity or anti-virus software. Compliance ☐ There is storage capacity limitation for store or install the Cybersecurity or anti-virus software. Compliance ☐ Operating system used is limited to run, install or deliver the Cybersecurity or anti-virus software. Compliance Device is not Inherent compliance ☒ Evaluation Based on Software Bill of Materials (SBoM) See attached “SBoM“ Note:The SBoM content is limited to the scope of covered list software (e.g. antivirus and cybersecurity software). ☐ Evaluation Based on Scan for Software on the device ☐ Evaluation Based on Filesystem scan ☐ Evaluation Based on Running software check SBOM (Software Bill of Materials) Section Component Name Version Supplier 1 Android 11 Google

1/1 US Agent for Service of Process LETTER OF ATTESTATION TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 US Agent for Service of Process: Company name: HOPEK CORPORATION INC FRN: 0034562900 Contact Name: Peter Davis Address: 16755 Coyote Bush Dr Unit 84, San Diego, CA 92127 United States Telephone No: 561-235-6113 Email: [email protected] Applicant: Company name: Shenzhen Shengda Zhilian Technology Co., Ltd Grantee Code: 2BS83 FCC ID: 2BS83-G27U FRN: 0037669827 Contact Name: Peizhen wang Address: 2nd Floor, Building 4, No. 161 Xingye 1st Road, Fenghuang Community, Fuyong Street, Bao'an District，Shenzhen China Telephone No: 15989473390 Fax No: / Email: [email protected] Shenzhen Shengda Zhilian Technology Co., Ltd certifies that, as of the date of this filing of the application with the TCB, [HOPEK CORPORATION INC] is our designated US agent for service of process for the above referenced FCC ID. Shenzhen Shengda Zhilian Technology 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 equipment. [HOPEK CORPORATION INC] accepts, as of the date of the filing of the application, the obligation of the designated US agent for service of process for the above reference FCC ID. The US Agent for Service of Process is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. The Applicant is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. Date: 2025-11-28 Applicant’s Name: Peizhen wang US Agent’s Name: Peter Davis Title: manager Title: manager Signature: Signature:

Shenzhen Shengda Zhilian Technology Co., Ltd Attestation Statements Not Covered Entity Applicant & Not Covered Equipment To: Federal Communications Commission Date: Nov. 28, 25 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Information Required by Section 2.911(d)(5)(i) & (ii) FCC ID: 2BS83-G27U Shenzhen Shengda Zhilian Technology Co., Ltd (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List, established pursuant to § 1.50002 of reference chapter, as an entity producing “covered” communication equipment. The equipment for which authorization is sought is not “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List that prohibited from receiving an equipment authorization pursuant to section § 2.903 of the FCC rules. Sincerely yours, Applicant Signature Printed Name: Shenzhen Shengda Zhilian Technology Co., Ltd Title: manager Address: 2nd Floor, Building 4, No. 161 Xingye 1st Road, Fenghuang Community, Fuyong Street, Bao'an District，Shenzhen China Tel.: 15989473390 Email: [email protected]

Shenzhen Shengda Zhilian Technology Co., Ltd Nov 28, 2025 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request for: FCC ID: 2BS83-G27U Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request permanent confidential treatment of the exhibits accompanying this certification application as outlined below :  Block Diagram  Schematics  Operational Description  Software Security Requirements for UNII devices The above exhibits contain trade secrets and/or proprietary information that are not publicly available and materials that the Applicant has spent considerable efforts in developing. Public disclosure of these may be harmful to the Applicant and give an unfair advantage to competitors on the market. Pursuant to DA 04-1705, the applicant also requests temporary confidential treatment of the exhibits outlined below for a period of (up to 180) days from the date of equipment authorization and prior to marketing in the United States to prevent the premature release of any sensitive information. Applicant is aware of their responsibility to notify DERYCOM in the event information regarding the product or the product is made available to the public before the requested period has expired.  User Manual  Internal Photos  External Photos  Test Setup Photos Sincerely, Title: manager Address: 2nd Floor, Building 4, No. 161 Xingye 1st Road, Fenghuang Community, Fuyong Street, Bao'an District，Shenzhen China Tel.: 15989473390 Email: [email protected]

Shenzhen Shengda Zhilian Technology Co., Ltd Nov 28, 2025 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization for FCC ID: 2BS83-G27U I, the undersigned, hereby authorize Shenzhen ETR Standard Technology Co., Ltd. to act on our behalf in all matters relating to this application for equipment certification. Any act carried out by Shenzhen ETR Standard Technology Co., Ltd. shall have the same effect as our own and I acknowledge that all responsibility for complying with the terms and conditions of certification, as specified by DERYCOM CERTIFICATION SERVICES, INC., still resides with Shenzhen Shengda Zhilian Technology Co., Ltd We 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, and that no party to the application, as defined in 47 CFR §1.2002(b), is subject to a denial of federal benefits that includes FCC benefits pursuant to that section. Sincerely, Title：manager Tel: 15989473390 Fax: / Email: [email protected]

Family models declaration letter. Date: November 28, 2025 We Shenzhen Shengda Zhilian Technology Co., Ltd Of 2nd Floor, Building 4, No. 161 Xingye 1st Road, Fenghuang Community, Fuyong Street, Bao'an District，Shenzhen China Product: Portable Google TV FCC ID: 2BS83-G27U Model Name: G27U Serial：G270,G27UA,G27UR,G27UB,G27UC,G27UD,G27UQ,G27UH Difference description of series models: All models have the same circuit and RF module, except for the model name Thanks Sincerely Signature Name: Peizhen wang Date: 11.28, 2025 Title: manager Shenzhen Shengda Zhilian Technology Co., Ltd

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 in desired operation. Manufactured under license from Dolby Laboratories. Dolby, Dolby Audio, and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation. Audio RISK OF ELECTRIC SHOCK DO NOT OPEN WARNING/CAUTION AVERTISSEMENT TM NAME: PORTABLE GOOGLE TV MODEL NO: G27U POWER/ENERGIE: 19V 3.42A 65W FCC ID:2BS83-G27U

FCC ID: 2BS83-G27U RF Exposure Evaluation Limits According to47 CFR Part 2.1091 and 447498 D01 General RF Exposure Guidance v06 The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in 1.1307(b) Limits for Maximum Permissible Exposure (MPE) Frequency range (MHz) Electric field strength (V/m) Magnetic field strength (A/m) Power density (mW/cm 2 ) Averaging time (minutes) (A) Limits for Occupational/Controlled Exposures 0.3–3.0 614 1.63 *(100) 6 3.0–30 1842/f 4.89/f *(900/f 2 ) 6 30–300 61.4 0.163 1.0 6 300–1500 f/300 6 1500–100,000 5 6 (B) Limits for General Population/Uncontrolled Exposure 0.3–1.34 614 1.63 *(100) 30 1.34–30 824/f 2.19/f *(180/f 2 ) 30 30–300 27.5 0.073 0.2 30 300–1500 f/1500 30 1500–100,000 1.0 30 f = frequency in MHz Friis transmission formula: Pd = (Pout*G)/(4*pi*r 2 ) Where Pd = power density in mW/cm 2 , Pout = output power to antenna in mW; G = gain of antenna in linear scale, Pi = 3.1416; R = distance between observation point and center of the radiator in cm Pd id the limit of MPE, 1 mW/cm 2 . If we know the maximum gain of the antenna and the total power input to the antenna, through the calculation, we will know the distance r where the MPE limit is reached. Test Procedure Software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. FCC ID: 2BS83-G27U Test Result of RF Exposure Evaluation The source of the evaluation data results is based on the test report ET-25103884E01/02/03 BLE Antenna gain=1.98dBi 2.4G WIFI Antenna gain=1.98dBi 5G Antenna gain=2.89dBi FOR BLE Mode Output power (dBm) Tune-up power (dBm) Max Tune-up (dBm) Max Tune-up (mW) Numeric antenna gain Power Density at R=20cm (mW/cm2) Limit (mW/cm2) Result GFSK 3.56 4±1 5 3.16 1.58 0.0010 1.0 PASS FOR 2.4GWIFI Mode Output power (dBm) Tune-up power (dBm) Max Tune-up (dBm) Max Tune-up (mW) Numeric antenna gain Power Density at R=20cm (mW/cm2) Limit (mW/cm 2 ) Result 802.11b 14.59 15±1 16 39.81 1.58 0.0125 1.0 PASS 802.11g 14.76 15±1 16 39.81 1.58 0.0125 1.0 PASS 802.11n20 14.56 15±1 16 39.81 1.58 0.0125 1.0 PASS 802.11n40 13.92 14±1 15 31.62 1.58 0.0099 1.0 PASS FOR 5GWIFI Mode Output power (dBm) Tune-up power (dBm) Max Tune-up (dBm) Max Tune-up (mW) Numeric antenna gain Power Density at R=20cm (mW/cm2) Limit (mW/cm 2 ) Result 802.11a 14.50 15±1 16 39.81 1.95 0.0155 1.0 PASS 802.11n20 14.99 15±1 16 39.81 1.95 0.0155 1.0 PASS 802.11ac20 14.74 15±1 16 39.81 1.95 0.0155 1.0 PASS 802.11n40 14.00 14±1 15 31.62 1.95 0.0123 1.0 PASS 802.11ac40 13.78 14±1 15 31.62 1.95 0.0123 1.0 PASS 802.11ac80 12.88 13±1 14 25.12 1.95 0.0097 1.0 PASS FCC ID: 2BS83-G27U FOR 5.8GWIFI Mode Output power (dBm) Tune-up power (dBm) Max Tune-up (dBm) Max Tune-up (mW) Numeric antenna gain Power Density at R=20cm (mW/cm2) Limit (mW/cm 2 ) Result 802.11a 14.96 15±1 16 39.81 1.95 0.0155 1.0 PASS 802.11n20 14.80 15±1 16 39.81 1.95 0.0155 1.0 PASS 802.11ac20 14.90 15±1 16 39.81 1.95 0.0155 1.0 PASS 802.11n40 13.84 14±1 15 31.62 1.95 0.0123 1.0 PASS 802.11ac40 13.88 14±1 15 31.62 1.95 0.0123 1.0 PASS 802.11ac80 13.13 13±1 14 25.12 1.95 0.0097 1.0 PASS If BT and WIFI work simultaneously BT+2.4G WIFI+5G WIFI, the total power density is 0.0010/1+0.0125/1+0.0155/1=0.029<1. BT+2.4G WIFI+5.8G WIFI, the total power density is 0.0010/1+0.0125/1+0.0155/1=0.029<1. Maximum power density=0.029<1.Then SAR evaluation is not require .

Report No.: ET-25103884E01 This test report is valid for the tested samples only. It cannot be reproduced except in full without prior written consent of Shenzhen ETR Standard Technology Co., Ltd. TEST REPORT Applicant: Shenzhen Shengda Zhilian Technology Co., Ltd Address of Applicant: 2nd Floor, Building 4, No. 161 Xingye 1st Road, Fenghuang Community, Fuyong Street, Bao'an District，Shenzhen China Manufacturer: Shenzhen Shengda Zhilian Technology Co., Ltd Address of Manufacturer: 2nd Floor, Building 4, No. 161 Xingye 1st Road, Fenghuang Community, Fuyong Street, Bao'an District，Shenzhen China Product Name: Portable Google TV Model No.: G27U,G270,G27UA,G27UR,G27UB,G27UC,G27UD,G27UQ,G27UH Trade Mark: N/A FCC ID: 2BS83-G27U Applicable standards: CFR Title 47 Part 15.247 Date of Test: Oct.17, 2025-Nov.05, 2025 Date of report issued: Nov.06, 2025 Remark: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver Prepared By Shenzhen ETR Standard Technology Co., Ltd. Address: No.103, No.10, Phase I, Zone 3, Xinxing Industrial Park, Xinhe, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Compiled by: Reviewed by: Approved by: Project Engineer Project Manager Authorized Signature - Page 2 of 34 - Report No.: ET-25103884E01 Tel:(86-0755) 85259392 Email:[email protected] Web: www.etrlab.cn No.103, No.10, Phase I, Zone 3, Xinxing Industrial Park, Xinhe, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Report Revision History Report No. Description Issue Date ET-25103884E01 Original Nov.06, 2025 - Page 3 of 34 - Report No.: ET-25103884E01 Tel:(86-0755) 85259392 Email:[email protected] Web: www.etrlab.cn No.103, No.10, Phase I, Zone 3, Xinxing Industrial Park, Xinhe, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Contents Page 1. TEST SUMMARY ......................................................................................................................................4 2. GENERAL INFORMATION .......................................................................................................................5 2.1 GENERAL DESCRIPTION OF EUT .................................................................................................................5 2.2 TEST MODE ................................................................................................................................................7 2.3 DESCRIPTION OF SUPPORT UNITS ...............................................................................................................7 2.4 TEST FACILITY ............................................................................................................................................7 2.5 ADDITIONAL INSTRUCTIONS .........................................................................................................................7 3. TEST INSTRUMENTS LIST ......................................................................................................................8 4. TEST RESULTS AND MEASUREMENT DATA .......................................................................................9 4.1 ANTENNA REQUIREMENT .............................................................................................................................9 4.2 CONDUCTED EMISSIONS ...........................................................................................................................10 4.3 DUTY CYCLE .............................................................................................................................................13 4.4 CONDUCTED OUTPUT POWER ...................................................................................................................15 4.5 6DB BANDWIDTH ......................................................................................................................................16 4.6 POWER SPECTRAL DENSITY ......................................................................................................................18 4.7 BAND EDGES ............................................................................................................................................20 Conducted Emission Method ...................................................................................................................20 Radiated Emission Method ......................................................................................................................22 4.8 SPURIOUS EMISSION .................................................................................................................................24 Conducted Emission Method ...................................................................................................................24 Radiated Emission Method ......................................................................................................................26 5. TEST SETUP PHOTO .............................................................................................................................34 6. EUT CONSTRUCTIONAL DETAILS .......................................................................................................34 - Page 4 of 34 - Report No.: ET-25103884E01 Tel:(86-0755) 85259392 Email:[email protected] Web: www.etrlab.cn No.103, No.10, Phase I, Zone 3, Xinxing Industrial Park, Xinhe, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China 1. Test Summary Test Item Section Result Test by Antenna requirement 47CRF part 15.203/15.247 (b)(4) Pass / AC Power Line Conducted Emission 47CRF part 15.207 Pass Jason Huang Conducted Peak Output Power 47CRF part 15.247 (b)(3) Pass Kara Wu 6dB Bandwidth 47CRF part 15.247 (a)(2) Pass Kara Wu Power Spectral Density 47CRF part 15.247 (e) Pass Ka…

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Report No.: ET-25103884E02 Tel: +86 755 85259392 Email: [email protected] No.103, No.10, Phase I, Zone 3, Xinxing Industrial Park, Xinhe, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China TEST REPORT Applicant: Shenzhen Shengda Zhilian Technology Co., Ltd Address of Applicant: 2nd Floor, Building 4, No. 161 Xingye 1st Road, Fenghuang Community, Fuyong Street, Bao'an District，Shenzhen China Manufacturer: Shenzhen Shengda Zhilian Technology Co., Ltd Address of Manufacturer： 2nd Floor, Building 4, No. 161 Xingye 1st Road, Fenghuang Community, Fuyong Street, Bao'an District，Shenzhen China Product Name: Portable Google TV Model No.: G27U,G270,G27UA,G27UR,G27UB,G27UC,G27UD,G27UQ,G27UH Trade Mark: N/A FCC ID: 2BS83-G27U Applicable standards: CFR Title 47 Part 15.247 Date of Test: Oct.17, 2025-Nov.05, 2025 Date of report issued: Nov.06, 2025 Remark: The results shown in this test report refer only to the sample(s) tested , this test report cannot be reproduced, except in full without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver Prepared By Shenzhen ETR Standard Technology Co., Ltd. Address: No.103, No.10, Phase I, Zone 3, Xinxing Industrial Park, Xinhe, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Compiled by: Reviewed by: Approved by: Project Engineer Project Manager Authorized Signature - Page 2 of 53 - Report No.: ET-25103884E02 Report Revision History Report No. Description Issue Date ET-25103884E02 Original Nov.06, 2025 - Page 3 of 53 - Report No.: ET-25103884E02 Tel: +86 0755 85259392 Email: [email protected] Web: www.etrlab.cn No.103, No.10, Phase I, Zone 3, Xinxing Industrial Park, Xinhe, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Contents Page 1. TEST SUMMARY ......................................................................................................................................4 2. GENERAL INFORMATION .......................................................................................................................5 2.1 GENERAL DESCRIPTION OF EUT .................................................................................................................5 2.2 TEST MODE ................................................................................................................................................7 2.3 DESCRIPTION OF SUPPORT UNITS ...............................................................................................................7 2.4 TEST FACILITY ............................................................................................................................................7 2.5 ADDITIONAL INSTRUCTIONS .........................................................................................................................7 3. TEST INSTRUMENTS LIST ......................................................................................................................8 4. TEST RESULTS AND MEASUREMENT DATA .......................................................................................9 4.1 ANTENNA REQUIREMENT .............................................................................................................................9 4.2 CONDUCTED EMISSIONS ...........................................................................................................................10 4.3 DUTY CYCLE .............................................................................................................................................13 4.4 PEAK CONDUCTED OUTPUT POWER ..........................................................................................................15 4.5 6DB BANDWIDTH ......................................................................................................................................17 4.6 POWER SPECTRAL DENSITY ......................................................................................................................20 4.7 BAND EDGES ............................................................................................................................................23 Conducted Emission Method ...................................................................................................................23 Radiated Emission Method ......................................................................................................................26 4.8 SPURIOUS EMISSION .................................................................................................................................31 Conducted Emission Method ...................................................................................................................31 Radiated Emission Method ......................................................................................................................36 5. TEST SETUP PHOTO .............................................................................................................................53 6. EUT CONSTRUCTIONAL DETAILS .......................................................................................................53 - Page 4 of 53 - Report No.: ET-25103884E02 Tel: +86 0755 85259392 Email: [email protected] Web: www.etrlab.cn No.103, No.10, Phase I, Zone 3, Xinxing Industrial Park, Xinhe, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China 1. Test Summary Test Item Section Result Test by Antenna requirement 47CRF part 15.203/15.247 (b)(4) Pass / AC Power Line Conducted Emission 47CRF part 15.207 Pass Jason Huang Conducted Peak Output Power 47CRF part 15.247 (b)(3) Pass Kara Wu 6dB Bandwidth 47CRF part 15.247 (a)(2) Pass Kara Wu Power Spectral Density 47CRF part 15.247 (e) Pass Kara Wu Band Edge 47CRF part 15.247(d) 47CRF part 15.205/15.209 Pass Kara Wu Spurious Emission 47CRF part 15.247(d) 47CRF part 15.205/15.209 Pass Jason Huang Remarks: 1. Pass: The EUT complies…

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第 1 页 样 品 承 认 书 SPECIFICATION FOR APPROVAL Supplier Specification Model (SLK Filling)： WIFI0:SLK-SDZL-3212A-L-650I-B-1.13DS Shengda Intelligent Connectivity Technology Co., Ltd Supplier Name: Shenzhen Yishengbang Technology Co., Ltd Supplier Address: 101, Building C, Qianwan Hard Technology Industrial Park, Bao'an District, Shenzhen TEL:18025305599 TEL:18666299104 第 2 页 WIFI0 Antenna (3212A) 1.Explanation of Product number : S L K-S D Z L-3 2 1 2 A-L-650I-B-1 . 1 3 D S 1 2 3 4 5 Product Code: (1) Customer: SDZL:晟达智联 (2)Project: 3212A: SLK-3212A(WIFI0 antenna ) (3)Welding Position L:Left (4)Cable Length: 650I: 650I*1.13MM(低损耗线) (5)Cable Color B:Black 2. Features *Stable and reliable in performances *Compact size *RoHS compliance 3. Applications * IEEE802.11 (a/b/g/n) * Hand-held devices when WIFI (802.11 a/b/g/n) functions are needed 第 3 页 4. Description Holy bond’s FPC antenna series are specially designed for WIFI (802.11 a/b/g/n) applications. Based on Holy bond’s proprietary design and processes, this FPC antenna has excellent stability and sensitivity to consistently provide high signal reception efficiency. 5. Electrical Specifications 5-1 Characteristics Specifications Unit Outline Dimensions 32.29x12.68x 0.12 mm Center Frequency 2.4-2.5+5.15-5.85 GHz Bandwidth(under-10dB return loss) 130min MHz VSWR 3max 5-2． VSWR S11 第 4 页 5-3.WIFI Antenna Gain/Efficiency/Radiation Pattern of 3D Frequency (MHz) Efficiency (dBi) Gain (dBi) Efficiency (%) 2400 -3.38 1.10 45.86 2410 -3.49 1.27 44.75 2420 -3.30 1.43 46.72 2430 -3.35 1.74 46.16 2440 -3.37 1.98 45.99 2450 -3.42 1.94 45.48 2460 -3.53 1.36 44.28 2470 -3.43 1.93 45.38 2480 -3.32 1.11 46.51 2490 -3.32 1.17 46.54 2500 -3.45 1.83 45.12 5150 -3.37 2.74 45.94 5250 -3.42 2.13 45.42 5450 -3.23 2.89 47.44 5850 -3.57 2.58 46.91 第 5 页 6.Antenna Dimensions (unit: mm)