2AB4FA518Two Way Radio

FCC Warning 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. RF Exposure complianceStatement and operating instructions at the Face up is 0.W/kg and when properly worn on the body is 1.558 W/kg. This device was tested for typical operations. The device only supports simplex- factor of 50% of the time. For hand-held operation, requirements may not compl be avoided.Use only the supplied or an approved antenna. 7 4 0 The device has been tested against the SAR limit (1.6W/kg). The highest SAR value reported under this standard during product certification for use mode and transmitting is no more than the rated duty cycle the radio should be held at least 25mm from the user's face. The use of belt clips, holsters and similar accessories should not contain meatllic components in its assembly. The use of accessories that do not satisfy these y with RF exposure requirements, and should FCC & IC Channel List Channel Frequency Model Channel Frequency Model 1 462.5625 FRS 19 2 462.5875 FRS 20 3 462.6125 FRS 21 4 462.6375 FRS 22 FRS 5 462.6625 FRS FRS 6 462.6875 FRS FRS 7 462.7125 FRS FRS 15 462.6500 16 462.6750 17 462.7000 18 462.7250 462.5500 FRS 462.5750 FRS 462.6000 FRS 462.6250 FRS ISEDC WARNING: This device complies with Innovation, Science and Economic undesired operation of the device. Le présent areil est conforme aux CNR d' l'innovation, la L'exploitation est autorisée aux deux conditions suivantes: (1) l'areil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage compromettre le fonctionnement. Important FCC& ISEDC RF Exposure Requirements: For body-worn operation, this radio has been tested and meets the FCC ISEDC RF exposure guidelines when used with Cobra accessories supplied or designated for this product. Use of other accessories may not ensure compliance with FCC ISEDC RF exposure guidelines. Use only the supplied antenna. Unauthorized antennas, modifications or attachments could damage the transmitter and may violate FCC ISEDC regulations. / / / / Tenir l'émetteur à environ 2.5 cm (1 po) de la bouche et parler normalement, l'antenne Exigences de la FCC ISEDC concernant l’exposition aux champs électro-magnétiques RF (radiofréquences): En ce qui concerne le fonctionnement de l’appareil porté sur le corps de l’utilisateur, les tests effectués ont permis de vérier que cet émetteur-récepteur satisfait aux directives FCC ISEDC limitant l’exposition aux champs électro-magnétiques RF lorsqu’il est utilisé avec les accessoires Cobra fournis ou conçus pour ce produit; l’utilisation d’autres accessoires peut ne pas garantir le respect des critères des directives FCC ISEDC limitant l’exposition aux champs électro-magnétiques RF. Utiliser l’appareil uniquement avec l’antenne fournie. L’emploi d’une antenne non homologuée ou modiée, ou d’accessoires non autorisés, pourrait faire subir des dommages à l’appareil, et peut violer les prescriptions de la réglementation FCC ISEDC. Position normale: étant éloignée et dirigée vers le haut. Hold the transmitter approximately 1 inches from your face and speak in a normal voice, with the antenna pointed up and away. / / / / Canada licables aux RSS standard (s). device may not cause est susceptible d'en Development Canada licence-exempt Operation is subject to the following two conditions: (1) this interference, and (2) this device must accept any interference,including interference that may cause science et le développement économique areils radio exempts de licence. radioélectrique subi, même si le brouillage

Fujian Juston Electronic Equipment Co., Ltd. No.66 Changtai Road,Shudou Industrial Park,Jiangnan Licheng District,Quanzhou, China Jan. 16, 2020 To: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Subject: Attestation statement regarding the Mobile Radio frequency Applicant: Fujian Juston Electronic Equipment Co., Ltd. No.66 Changtai Road,Shudou Industrial Park,Jiangnan Licheng District,Quanzhou, China TYPE OF QEUIPMENT: Licensed Non-Broadcast Transmitter Held to Face FCC ID: 2AB4FA518 Dear Sir or Madam I attest that the product has one antenna, one battery capacity, one body-worn and one USB cable.. And that the product could program the frequency on computer through interface by manufacturer, is incapable of tuning, or readily being altered, by the end-user. Please contact the undersigned if you have any questions or need any further information. Regards Signature: Name, Job Title and Dept.: Jianghai Wu / General Manager

Fujian Juston Electronic Equipment Co., Ltd. No.66 Changtai Road,Shudou Industrial Park,Jiangnan Licheng District,Quanzhou ,China Jan. 16, 2020 Federal Communication Commission Authorization and Evaluation Division FCC ID: 2AB4FA518 Re: Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, the applicant hereby requests confidential treatment of information applied this application as outlined below: 1: Block Diagram 2: Schematics 3: Operational Description 4:Parts List 5.Tune up procedure The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rules 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Fujian Juston Electronic Equipment Co., Ltd. Contact person: Jianghai Wu Title: General Manager

TYT ELECTRONICS CO., LTD Block 39-1, Optoelectronics-information industry base, Nan’an, Quanzhou, Fujian, China Apr. 17, 2020 Dear Sir/Madam, We, TYT ELECTRONICS CO., LTD hereby declare that the software settings have prohibited users from using scrambling functions such as CTCSS and DCS prior to shipment. Sincerely, Name, Job Title and Dept.: Jianghai Wu / General Manager

External Photos WHOLE VIEW OF EUT TOP VIEW OF EUT BOTTOM VIEW OF EUT FRONT VIEW OF EUT BACK VIEW OF EUT LEFT VIEW OF EUT RIGHT VIEW OF EUT

FCC ID and IC Label Location FCC ID: 2AB4FA518 IC: 21424-A518 HVIN: A518

Fujian Juston Electronic Equipment Co., Ltd. No.66 Changtai Road,Shudou Industrial Park,Jiangnan Licheng District,Quanzhou, China Jan. 16, 2020 Statement We, Fujian Juston Electronic Equipment Co., Ltd. (FCC ID: 2AB4FA518) puts the label inside the battery compartment of this device. It is visible to the users as they purchase the products and install the battery. Regards Fujian Juston Electronic Equipment Co., Ltd. Contact person: Jianghai Wu Title: General Manager

Internal Photos OPEN VIEW-1 OF EUT OPEN VIEW-2 OF EUT OPEN VIEW-3 OF EUT INTERNAL VIEW-1 OF EUT Antenna ANTENNA CLOSEUP-1 ANTENNA CLOSEUP-2 INTERNAL VIEW-2 OF EUT INTERNAL VIEW-3 OF EUT INTERNAL VIEW-4 OF EUT INTERNAL VIEW-5 OF EUT INTERNAL VIEW-6 OF EUT INTERNAL VIEW-7 OF EUT INTERNAL VIEW-8 OF EUT

Page 1 of 45 SAR Test Report Report No.: AGC03393191202FH01 FCC ID : 2AB4FA518 PRODUCT DESIGNATION : Two way radio BRAND NAME : HYDX MODEL NAME : A518; A618 APPLICANT : Fujian Juston Electronic Equipment Co.,Ltd. DATE OF ISSUE : Mar. 20,2020 STANDARD(S) : IEEE Std. 1528:2013 FCC 47 CFR Part 2§2.1093:2013 IEEE C95.1TM:2005 REPORT VERSION : V1.1 Attestation of Global Compliance(Shenzhen) Co., Ltd. CAUTION: This report shall not be reproduced except in full without the written permission of the test laboratory and shall not be quoted out of context. Report No.: AGC03393191202FH01 Page 2 of 45 Report Revise Record Report Version Revise Time Issued Date Valid Version Notes V1.0 / Jan. 16,2020 Invalid Initial Release V1.1 1 st Mar. 20,2020 Valid Added a series model Report No.: AGC03393191202FH01 Page 3 of 45 Test Report Applicant Name Fujian Juston Electronic Equipment Co., Ltd. Applicant Address No.66 Changtai Road, Shudou Industrial Park, Jiangnan Licheng District, Quanzhou , China Manufacturer Name Fujian Juston Electronic Equipment Co., Ltd. Manufacturer Address No.66 Changtai Road, Shudou Industrial Park, Jiangnan Licheng District, Quanzhou , China Factory Name Fujian Juston Electronic Equipment Co., Ltd. Factory Address No.66 Changtai Road, Shudou Industrial Park, Jiangnan Licheng District, Quanzhou , China Product Designation Two way radio Brand Name HYDX Model Name A518; A618 Different Description Only model and plastic panel line design are different EUT Voltage DC3.7 V Applicable Standard IEEE Std. 1528:2013 FCC 47 CFR Part 2§2.1093:2013 IEEE C95.1TM:2005 Test Date Dec. 26,2019 Report Template AGCRT- US -PTT/SAR (2018-02-02) Note: The results of testing in this report apply to the product/system which was tested only. Prepared By Thea Huang (Project Engineer) Dec. 26,2019 Reviewed By Angela Li (Reviewer) Mar. 20,2020 Approved By Forrest Lei (Authorized Officer) Mar. 20,2020 Report No.: AGC03393191202FH01 Page 4 of 45 TABLE OF CONTENTS 1. SUMMARY OF MAXIMUM SAR VALUE ......................................................................................................5 2. GENERAL INFORMATION ..........................................................................................................................6 2.1. EUT DESCRIPTION ....................................................................................................................................6 3. SAR MEASUREMENT SYSTEM....................................................................................................................7 3.1. THE DASY5 SYSTEM USED FOR PERFORMING COMPLIANCE TESTS CONSISTS OF FOLLOWING ITEMS ....................7 3.2. DASY5 E-FIELD PROBE ............................................................................................................................8 3.3. DATA ACQUISITION ELECTRONICS DESCRIPTION ............................................................................................8 3.4. ROBOT ....................................................................................................................................................9 3.5. LIGHT BEAM UNIT......................................................................................................................................9 3.6. DEVICE HOLDER ..................................................................................................................................... 10 3.7. MEASUREMENT SERVER .......................................................................................................................... 10 3.8. PHANTOM ........................................................................................................................................... 11 4. SAR MEASUREMENT PROCEDURE ........................................................................................................ 12 4.1. SPECIFIC ABSORPTION RATE (SAR) .......................................................................................................... 12 4.2. SAR MEASUREMENT PROCEDURE ............................................................................................................ 13 5. TISSUE SIMULATING LIQUID ................................................................................................................... 15 5.1. THE COMPOSITION OF THE TISSUE SIMULATING LIQUID .................................................................................. 15 5.2. TISSUE DIELECTRIC PARAMETERS FOR HEAD AND BODY PHANTOMS ............................................................. 15 5.3. TISSUE CALIBRATION RESULT ................................................................................................................... 16 6. SAR SYSTEM CHECK PROCEDURE........................................................................................................ 17 6.1. SAR SYSTEM CHECK PROCEDURES ......................................................................................................... 17 6.2. SAR SYSTEM CHECK .............................................................................................................................. 18 7. EUT TEST POSITION ................................................................................................................................. 19 7.1. BODY WORN POSITION ............................................................................................................................ 19 8. SAR EXPOSURE LIMITS ........................................................................................................................... 20 9. TEST FACILITY ......................................................................................................................................... 21 10. TEST EQUIPMENT LIST .......................................................................................................................... 22 11. MEASUREMENT UNCERTAINTY........................................................…

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Page 1 of 25 CALIBRATION DATA PROBE CALIBRATION DATA Page 2 of 22 Page 3 of 22 Page 4 of 22 Page 5 of 22 Page 6 of 22 Page 7 of 22 Page 8 of 22 Page 9 of 22 Page 10 of 22 Page 11 of 22 DAE CALIBRATION DATA Page 12 of 22

Page 13 of 22 Page 14 of 22 DIPOLE CALIBRATION DATA Page 15 of 22 Page 16 of 22 Page 17 of 22 Page 18 of 22 Page 19 of 22 Page 20 of 22 Page 21 of 22 Page 22 of 22 Page 23 of 22 Page 24 of 22

Page 1 of 50 FCC Part 95 Rules Test Report Report No.:AGC03393191202FE10 FCC ID : 2AB4FA518 PRODUCT DESIGNATION : Two way radio BRAND NAME : HYDX MODEL NAME : A518, A618 APPLICANT : Fujian Juston Electronic Equipment Co.,Ltd. DATE OF ISSUE : Jan. 16, 2020 STANDARD(S) : FCC Part 95 Rules REPORT VERSION : V 1.0 Attestation of Global Compliance (Shenzhen) Co., Ltd CAUTION: This report shall not be reproduced except in full without the written permission of the test laboratory and shall not be quoted out of context. Report No.:AGC03393191202FE10 Page 2 of 50 Report Revise Record Report Version Revise Time Issued Date Valid Version Notes V1.0 / Jan. 16, 2020 Valid Initial release Report No.:AGC03393191202FE10 Page 3 of 50 VERIFICATION OF COMPLIANCE Applicant Fujian Juston Electronic Equipment Co.,Ltd. Address 3/F FULOK BLDG 131-133 WING LOK ST SHEUNG WAN, Hong Kong manufacturer Fujian Juston Electronic Equipment Co.,Ltd. Address 3/F FULOK BLDG 131-133 WING LOK ST SHEUNG WAN, Hong Kong Factory Fujian Juston Electronic Equipment Co.,Ltd. Address 3/F FULOK BLDG 131-133 WING LOK ST SHEUNG WAN, Hong Kong Product Designation: Two way radio Brand Name: HYDX Test Model A518 Serial Model A618 Difference Description Only model and plastic panel line design are different Date of Test: Nov. 04, 2019~Jan. 16, 2020 WE HEREBY CERTIFY THAT: The above equipment was tested by Attestation of Global Compliance (Shenzhen) Co., Ltd. The data evaluation, test procedures, and equipment configurations shown in this report were made in accordance with the procedures given in TIA/EIA 603. The sample tested as described in this report is in compliance with the FCC Rules Part 95 requirements. The test results of this report relate only to the tested sample identified in this report. Prepared By Calvin Liu (Project Engineer) Jan. 16, 2020 Reviewed By Max Zhang (Reviewer ) Jan. 16, 2020 Approved By Forrest Lei (Authorized Officer) Jan. 16, 2020 Report No.:AGC03393191202FE10 Page 4 of 50 TABLE OF CONTENTS 1. GENERAL INFORMATION ..........................................................................................................................6 1.1 PRODUCT DESCRIPTION .....................................................................................................................6 1.2 RELATED SUBMITTAL(S) / GRANT (S) .................................................................................................8 1.3 TEST METHODOLOGY. .........................................................................................................................8 1.4 TEST FACILITY ......................................................................................................................................8 1.5 SPECIAL ACCESSORIES ......................................................................................................................8 1.6 EQUIPMENT MODIFICATIONS ..............................................................................................................8 2. SYSTEM TEST CONFIGURATION ..............................................................................................................9 2.1EUT CONFIGURATION ...........................................................................................................................9 2.2 EUT EXERCISE .....................................................................................................................................9 2.4 CONFIGURATION OF TESTED SYSTEM ............................................................................................. 10 3. SUMMARY OF TEST RESULTS ................................................................................................................ 11 4. DESCRIPTION OF TEST MODES ............................................................................................................. 13 5. FREQUENCY TOLERANCE ...................................................................................................................... 14 5.1 PROVISIONS APPLICABLE ................................................................................................................. 14 5.2 MEASUREMENT PROCEDURE ........................................................................................................... 14 5.3 TEST SETUP BLOCK DIAGRAM.......................................................................................................... 15 5.4 TEST RESULT ...................................................................................................................................... 16 6. EMISSION BANDWIDTH ........................................................................................................................... 17 6.1 PROVISIONS APPLICABLE ................................................................................................................. 18 6.2 MEASUREMENT PROCEDURE ........................................................................................................... 18 6.3 TEST SETUP BLOCK DIAGRAM.......................................................................................................... 18 6.4 MEASUREMENT RESULT ................................................................................................................... 21 7. UNWANTED RADIATION .......................................................................................................................... 23 7.1 PROVISIONS APPLICABLE ................................................................................................................. 23 7.2 MEASUREMENT PROCEDURE ........................................................................................................... 23 7.3 TEST SETUP BLOCK DIAGRAM.......................................................................................................... 24 7.4 MEASUREMENT RESULT S: ................................................................................................................ …

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Report No.:AGC03393191202FE10 Page 45 of 50 OPEN VIEW-2 OF EUT OPEN VIEW-3 OF EUT Report No.:AGC03393191202FE10 Page 46 of 50 INTERNAL VIEW-1 OF EUT ANTENNA CLOSEUP-1 Antenna Report No.:AGC03393191202FE10 Page 47 of 50 ANTENNA CLOSEUP-2 INTERNAL VIEW-2 OF EUT Report No.:AGC03393191202FE10 Page 48 of 50 INTERNAL VIEW-3 OF EUT INTERNAL VIEW-4 OF EUT Report No.:AGC03393191202FE10 Page 49 of 50 INTERNAL VIEW-5 OF EUT INTERNAL VIEW-6 OF EUT Report No.:AGC03393191202FE10 Page 50 of 50 INTERNAL VIEW-7 OF EUT INTERNAL VIEW-8 OF EUT --- END OF REPORT---

Test Setup Photos Face Up with 2.5 cm Separation Distance. Body Back Touch with all accessories The thickness of EUT is 3.5 cm 25mm Note : The headset is just for testing. This tested and electrically similar headsets may be used. DEPTH OF THE LIQUID IN THE PHANTOM—ZOOM IN Note：The position used in the measurement were according to IEEE 1528-2013 450MHz Head 450MHz Body

Test Setup Photos RADIATED EMISSION TEST SETUP