RVU-ZJ-6000Handheld POS Terminal

FCC Caution: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -Reorient or relocate the receiving antenna. -Increase the separation between theequipment and receiver. -Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -Consult the dealer or an experienced radio/TV technician for help. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Max. SAR values for body（0 mm）and simultaneous transmission conditions are1.415W/kg and 1.564W/kg respectively.

SHENZHEN ZIJIANG ELECTRONICS CO., LTD Agent Authorization Company: SHENZHEN ZIJIANG ELECTRONICS CO., LTD Address: 4 Floor of No.2 Building of Donglongxing Science Park, Huaning Road, Dalang Street, Longhua Distric Shenzhen China 518110 Product Name: Handheld POS Terminal Model Number(s): ZJ-6000, POS-6000 We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: 2020/08/12 Name: GongHai Wang Title: General Manager Company: SHENZHEN ZIJIANG ELECTRONICS CO., LTD

SHENZHEN ZIJIANG ELECTRONICS CO., LTD Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2020/08/12 Subject; Request for Confidentiality FCC ID: RVU-ZJ-6000 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Operational Description BOM Tune-upprocedure In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuantto KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: GongHai Wang Title: General Manager

SHENZHEN ZIJIANG ELECTRONICS CO., LTD Model Difference Product Name: Handheld POS Terminal Model Number(s): ZJ-6000, POS-6000 Trademark: N/A All the model are the same circuit and RF module, except model names. Regards Sincerely Client’s signature: Client’s name / title : GongHai Wang / General Manager Contact information / address: 4 Floor of No.2 Building of Donglongxing Science Park, Huaning Road, Dalang Street, Longhua Distric Shenzhen China 518110

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40*15mm FCC ID: RVU-ZJ-6000 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 unde sired operation. Label Location

Ref : ACR.233.1.17.SATU.A WALTEK TESTING GROUP (SHENZHEN) CO., LTD. 1/F, BUILDING A, HONGWEI INDUSTRIAL PARK, LIUXIAN 2ND ROAD BAO'AN DISTRICT SHENZHEN (518101), CHINA MVG COMOSAR DOSIMETRIC E-FIELD PROBE SERIAL NO.: SN 45/15 EPGO280 Calibrated at MVG US 2105 Barrett Park Dr. - Kennesaw, GA 30144 Calibration Date: 07/08/2019 Summary: This document presents the method and results from an accredited COMOSAR Dosimetric E-Field Probe calibration performed in MVG USA using the CALISAR / CALIBAIR test bench, for use with a COMOSAR system only. All calibration results are traceable to national metrology institutions. COMOSAR E-Field Probe Calibration Report COMOSAR E-FIELD PROBE CALIBRATION REPORT Ref: ACR.233.1.17.SATU.A Page: 2/10 This document shall not be reproduced, except in full or in part, without the written approval of MVG. The information contained herein is to be used only for the purpose for which it is submitted and is not to be released in whole or part without written approval of MVG. Name Function Date Signature Prepared by : Jérôme LUC Product Manager 7/8/2019 Checked by : Jérôme LUC Product Manager 7/8/2019 Approved by : Kim RUTKOWSKI Quality Manager 7/8/2019 Customer Name Distribution : Waltek Testing Group (Shenzhen) Co., Ltd. Issue Date Modifications A 7/8/2019 Initial release COMOSAR E-FIELD PROBE CALIBRATION REPORT Ref: ACR.233.1.17.SATU.A Page: 3/10 This document shall not be reproduced, except in full or in part, without the written approval of MVG. The information contained herein is to be used only for the purpose for which it is submitted and is not to be released in whole or part without written approval of MVG. TABLE OF CONTENTS 1 Device Under Test ..................................................................................................... 4 2 Product Description ................................................................................................... 4 2.1 General Information _______________________________________________________ 4 3 Measurement Method ................................................................................................ 4 3.1 Linearity ________________________________________________________________ 4 3.2 Sensitivity _______________________________________________________________ 5 3.3 Lower Detection Limit _____________________________________________________ 5 3.4 Isotropy _________________________________________________________________ 5 3.5 Boundary Effect __________________________________________________________ 5 4 Measurement Uncertainty .......................................................................................... 5 5 Calibration Measurement Results .............................................................................. 6 5.1 Sensitivity in air __________________________________________________________ 6 5.2 Linearity ________________________________________________________________ 7 5.3 Sensitivity in liquid ________________________________________________________ 7 5.4 Isotropy _________________________________________________________________ 8 6 List of Equipment .................................................................................................... 10 COMOSAR E-FIELD PROBE CALIBRATION REPORT Ref: ACR.233.1.17.SATU.A Page: 4/10 This document shall not be reproduced, except in full or in part, without the written approval of MVG. The information contained herein is to be used only for the purpose for which it is submitted and is not to be released in whole or part without written approval of MVG. 1 DEVICE UNDER TEST Device Under Test Device Type COMOSAR DOSIMETRIC E FIELD PROBE Manufacturer MVG Model SSE2 Serial Number SN 45/15 EPGO280 Product Condition (new / used) New Frequency Range of Probe 0.7 GHz-6GHz Resistance of Three Dipoles at Connector Dipole 1: R1=0.193 M Dipole 2: R2=0.188 M Dipole 3: R3=0.198 M A yearly calibration interval is recommended. 2 PRODUCT DESCRIPTION 2.1 GENERAL INFORMATION MVG’s COMOSAR E field Probes are built in accordance to the IEEE 1528, OET 65 Bulletin C and CEI/IEC 62209 standards. Figure 1 – MVG COMOSAR Dosimetric E field Dipole Probe Length 330 mm Length of Individual Dipoles 2 mm Maximum external diameter 8 mm Probe Tip External Diameter 2.5 mm Distance between dipoles / probe extremity 1 mm 3 MEASUREMENT METHOD The IEEE 1528, OET 65 Bulletin C, CENELEC EN50361 and CEI/IEC 62209 standards provide recommended practices for the probe calibrations, including the performance characteristics of interest and methods by which to assess their affect. All calibrations / measurements performed meet the fore mentioned standards. 3.1 LINEARITY The evaluation of the linearity was done in free space using the waveguide, performing a power sweep to cover the SAR range 0.01W/kg to 100W/kg. COMOSAR E-FIELD PROBE CALIBRATION REPORT Ref: ACR.233.1.17.SATU.A Page: 5/10 This document shall not be reproduced, except in full or in part, without the written approval of MVG. The information contained herein is to be used only for the purpose for which it is submitted and is not to be released in whole or part without written approval of MVG. 3.2 SENSITIVITY The sensitivity factors of the three dipoles were determined using a two step calibration method (air and tissue simulating liquid) using waveguides as outlined in the standards. 3.3 LOWER DETECTION LIMIT The lower detection limit was assessed using the same measurement set up as used for the linearity measurement. The required lower detection limit is 10 mW/kg. 3.4 ISOTROPY The axial isotropy was evaluated by exposing the probe to a reference wave from a standard dipole with the dipole mounted under the flat phantom in the test configuration suggested for system validations and checks. The probe was rotated along its main axis from 0 - 360 degrees in 15 degree steps. The hemispherical isotropy is determined by inserting the probe in a thin plastic box filled with tissue-equivalent liquid, with the plasti…

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Waltek Testing Group (Shenzhen) Co., Ltd. http://www.semtest.com.cn Page 1 of 63 TEST REPORT Reference No. .................... : WTX20X05029967W FCC ID ................................ : RVU-ZJ-6000 Applicant ........................... : Shenzhen Zijiang Electronics Co.,Ltd Address ............................. : Fourth Floor of No.2 Building of Donglongxing Science Park, Huaning Road, Xinshi Community, Dalang Street, Longhua District, Shenzhen Product Name ................... : Handheld POS Terminal Test Model. ........................ : ZJ-6000 Standards .......................... : FCC Part 2.1093 ANSI / IEEE C95.1 : 2005+A1:2010 ANSI / IEEE C95.3 : 2002(R2008) IEEE 1528 :2013 Date of Receipt sample .... : May.25, 2020 Date of Test........................ : May.25, 2020 to Jun.18, 2020 Date of Issue ..................... : Jun.19, 2020 Test Result ......................... : Pass Remarks: 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: Waltek Testing Group (Shenzhen) Co., Ltd. Address: 1/F., Room 101, Building 1, Hongwei Industrial Park, Liuxian 2nd Road, Block 70 Bao'an District, Shenzhen, Guangdong, China Tel.: +86-755-33663308 Fax.: +86-755-33663309 Tested by: Reviewed By: Approved & Authorized By: Jack sun/ Project Engineer Lion Cai / RF Manager Silin Chen / Manager Reference No.: WTX20X05029967W Page 2 of 63 Waltek Testing Group (Shenzhen) Co., Ltd. http://www.semtest.com.cn TABLE OF CONTENTS 1. General Information .............................................................................................................................................................. 3 1.1 Product Description for Equipment Under Test (EUT) ........................................................................................................... 3 1.2 Test Standards ........................................................................................................................................................................ 6 1.3 Test Methodology .................................................................................................................................................................. 6 1.4 Test Facility ........................................................................................................................................................................... 6 2. Summary of Test Results ........................................................................................................................................................ 7 3. Specific Absorption Rate (SAR) ............................................................................................................................................... 8 3.1 Introduction ............................................................................................................................................................................ 8 3.2 SAR Definition ...................................................................................................................................................................... 8 4. SAR Measurement System ..................................................................................................................................................... 9 4.1 The Measurement System ...................................................................................................................................................... 9 4.2 Probe ...................................................................................................................................................................................... 9 4.3 Probe Calibration Process .................................................................................................................................................... 11 4.4 Phantom ............................................................................................................................................................................... 12 4.5 Device Holder ...................................................................................................................................................................... 12 4.6 Test Equipment List ............................................................................................................................................................. 13 5. Tissue Simulating Liquids ..................................................................................................................................................... 14 5.1 Composition of Tissue Simulating Liquid............................................................................................................................ 14 5.2 Tissue Dielectric Parameters for Head and Body Phantoms ................................................................................................ 15 5.3 Tissue Calibration Result ..................................................................................................................................................... 16 6. SAR Measurement Evaluation .............................................................................................................................................. 17 6.1 Purpose of System Performance Check ............................................................................................................................... 17 6.2 System Setup ........................................................................................................................................................................ 17 6.3 Validation Results ........................................................................................................…

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And ten approva d shall be no No.: BCTC2005 r.：A.0 Page LTD cience Park zhen China LTD cience Park zhen China show that t d it is applic al of BCTC, oted in the r 5000147-4E 2 of 112 , Huaning a 518110 , Huaning a 518110 he cable only this revision of Test Table of 1. GENERA 1.1 PROD 1.2 TEST 1.3TEST M 1.4TEST F 1.5 EUT S 1.6 MEAS 1.7 TEST 2. SUMMAR 3. RF OUTP 3.1 STAND 3.2TEST P 3.3ENVIR 3.4SUMMA 4. PEAK-TO 4.1 STAND 4.2 TEST 4.3 ENVIR 4.4SUMMA WCDMA BA 5. EMISSIO 5.1 STAND 5.2TEST P 5.3ENVIR 5.4SUMMA 6. OUT OF 6.1 STAND 6.2TEST P 6.3ENVIR 6.4SUMMA 7. SPURIOU 7.1STAND 7.2TEST P 7.3ENVIR 7.4SUMMA 8. FREQUE 8.1 STAND 8.2TEST P 8.3ENVIR 8.4SUMMA 9. EUT PHO 10. EUT TE t Report Tel: 4 f Contents AL INFORMA DUCT DESCRIP STANDARDS . METHODOLOG FACILITY ....... SETUP AND T SUREMENT UN EQUIPMENT L RY OF TEST PUT POWER DARD APPLICA PROCEDURE . ONMENTAL C ARY OF TEST O-AVERAGE DARD APPLICA PROCEDURE RONMENTAL C ARY OF TEST AND 2 MIDD ON BANDWI DARD APPLICA PROCEDURE . ONMENTAL C ARY OF TEST BAND EMIS DARD APPLICA PROCEDURE . ONMENTAL C ARY OF TEST US RADIAT DARD APPLICA PROCEDURE . ONMENTAL C ARY OF TEST ENCY STAB DARD APPLICA PROCEDURE . ONMENTAL C ARY OF TEST OTO ............. EST PHOTO 400-788-9558 s ATION .......... PTION FOR EQ ...................... GY .................. ...................... TEST MODE .... NCERTAINTY ... LIST AND DET T RESULTS . R .................... ABLE ............. ...................... ONDITIONS .... RESULTS/PL E RATIO(PA ABLE ............. ...................... CONDITIONS ... RESULTS...... DLE CHANNE DTH .............. ABLE ............. ...................... ONDITIONS .... RESULTS/PL SSIONS AT A ABLE ............. ...................... ONDITIONS .... RESULTS/PL ED EMISSIO ABLE .............. ...................... ONDITIONS .... RESULTS/PL ILITY ............ ABLE ............. ...................... ONDITIONS .... RESULTS/PL ...................... ...................... 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