FCC ID: 2AC6AMR20 Wearable BT UHF Reader with RFID

Shenzhen Chainway Information Technology Co., Ltd. Wearable BT UHF Reader MR20 User Manual Content Content ........................................................................................... 1 Statement ........................................................................................... 2 Chapter 1 Product intro ...................................................................... 3 1.1 Intro ....................................................................................... 3 1.2 Precaution before using battery ............................................ 4 1.3 Charger ................................................................................. 5 1.4 Notes ..................................................................................... 6 Chapter 2 Installation instructions ...................................................... 7 2.1 Appearance............................................................................... 7 2.3 Battery charge........................................................................... 8 2.4 Buttons and function area display ............................................. 9 Chapter 3 Demo Test ....................................................................... 10 3.1 Install demo-uhf-bt (1.0.8) ....................................................... 10 3.2 Pairing Device ..................................................................... 11 3.3 UHF Scan Function ............................................................. 13 3.4 UHF Configuration .............................................................. 14 3.5 UHF Tag Reading and Writing ............................................ 15 3.6 UHF Tag Lock and Kill ........................................................ 16 Chapter 4 Device characteristic ........................................................ 18 1 Statement 2013 by Shenzhen Chainway Information Technology Co., Ltd. All rights reserved. No part of this publication may be reproduced or used in any form, or by any electrical or mechanical means, without permission written from Chainway. This includes electronic or mechanical means, such as photocopying, recording, or information storage and retrieval systems. The material in this manual is subject to change without notice. The software is provided strictly on an as is basis. All software, including firmware, furnished to the user is on a licensed basis. Chainway grants to the user a non-transferable and non-exclusive license to use each software or firmware program delivered hereunder (licensed program). Except as noted below, such license may not be assigned, sublicensed, or otherwise transferred by the user without prior written consent of Chainway. No right to copy a licensed program in whole or in part is granted, except as permitted under copyright law. The user shall not modify, merge, or incorporate any form or portion of a licensed program with other program material, create a derivative work from a licensed program, or use a licensed program in a network without written permission from Chainway. Chainway reserves the right to make changes to any software or product to improve reliability, function, or design. Chainway does not assume any product liability arising out of, or in connection with, the application or use of any product, circuit, or application described herein. No license is granted, either expressly or by implication, estoppel, or otherwise under any Chainway intellectual property rights. An implied license only exists for equipment, circuits, and subsystems contained in Chainway products. 2 Chapter 1 Product intro 1.1 Intro Chainway MR20 is our refined and new generation wearable Bluetooth UHF readers. Being a compact and portable device, it can be operated together with gloves, wristbands, or lanyards and make your work much more flexible and convenient. With a built-in UHF module, Chainway MR20 possesses a powerful data-collection and transmission function via a simple Bluetooth connection with Android/iOS devices. Removable battery and fast charging capability enable it to achieve work continuity for a long duration. Besides, this tiny device has the protection features like dustproof, waterproof, shockproof, and drop resistance. All these functions make the MR20 a most adaptable device in a wide spectrum of circumstances such as logistics & express delivery, retail store management, warehouse management, power patrol inspection, asset management, e-

commerce picking, and tickets checking, etc. helping users free their hands and significantly improve work efficiency. 3 1.2 Precaution before using battery Do not leave battery unused for long time, no matter it is in device or inventory. If battery has been used for 6 months already, it should be check for charging function or it should be disposed correctly. The lifespan of Li-ion battery is around 2 to 3 years, it can be circularly charged for 300 to 500 times. (One full battery charge period means completely charged and completely discharged.) When Li-ion battery is not in used, it will continue discharge slowly. Therefore, battery charging status should be checked frequently and take reference of the related battery charging information on the manuals. Observe and record the information of a new unused and non-

fully charged battery. On the basis of operating time of new battery and compare with a battery that has been used for long time. According to product configuration and application program, the operating time of battery would be different. Check battery charging status at regular intervals. When battery operating time drops below about 80%, charging time will be increased remarkably. If a battery is stored or otherwise unused for an extended period, be sure to follow the storage instructions in this document. If you do not follow the instructions, and the battery has no charge remaining when you check it, consider it to be damaged. Do not attempt to recharge it or to use it. Replace it with a new battery. Store the battery at temperatures between 5 C and 20 C

(41 F and 68 F). 4 1.3 Charger The charger type is NA010050020, output voltage/current is 5V DC/2A. The plug considered as disconnect device of adapter. 5 1.4 Notes Note:

Using the incorrect type battery has danger of explosion. Please dispose the used battery according to instructions. Note:

Due to the used enclosure material, the product shall only be connected to a USB Interface of version 2.0 or higher. The connection to so called power USB is prohibited. Note:

The adapter shall be installed near the equipment and shall be easily accessible. Note:

The suitable temperature for the product and accessories is -20 C to +50 C Note:

CAUTION RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS. 6 Chapter 2 Installation instructions 2.1 Appearance MR20 appearances are showing as follows:

Indicating Lamps instruction Lamps Description Indicating Lamps Power Bluetooth Work Red lamp lights up constantly (charging status) Green lamp lights up constantly (battery fully charged) Blue lamp lights up constantly (battery level higher than 20%) Blue lamp flashing (battery level lower than 20%) Constant light up (Bluetooth connected) Flash when read UHF tags 7 2.3 Battery charge By using USB contact, the original adaptor should be used for charging the device. Make sure not to use other adaptors to charge the device. 8 2.4 Buttons and function area display MR20 reader has 1 power button and 1 Type-C port, 1 SCAN button. 9 Chapter 3 Demo Test 3.1 Install demo-uhf-bt (1.0.8) 1. Copy demo-uhf-bt (1.0.8) into internal storage of smart phone or C7x device. 2. Click to install. 3. Click icon to open demo. 10 3.2 Pairing Device 1. Switch on Bluetooth function of smartphone or C7x device. 2. Power on MR20. 3. Click BLUETOOTH in the demo. 4. Click SEARCH to search for MAC of MR20. 5. Click the correct MAC to connect. 11 6. After connecting successfully, user could click 3 dots on top right to check UHF version, battery percentage and UHF module temperature. 12 3.3 UHF Scan Function 1. Click START in demo or pull the trigger on R6, the UHF tags could be read. 2. Click STOP in demo to stop reading of UHF tags. 3. Click CLEAR to clean all EPC information. 13 3.4 UHF Configuration 1. Click CONFIG in demo to adjust working mode and output power. 14 3.5 UHF Tag Reading and Writing 1. The storage of one tag has 4 zones: RESERVED, EPC, TID and USER. Normally, the default password is 00000000. And TID zone can only be read, other zones can be read and written. 15 3.6 UHF Tag Lock and Kill 1. Lock Function:

For example. User could try to lock down EPC zone. 16 2. Kill Function:

Kill function can be used to kill the tag permanently. Input the correct access password and click kill. 17 Chapter 4 Device characteristic Physical characteristics Size 50 62 19 mm / 1.97 2.44 0.75 in. Weight 64 g / 2.26 oz. ( with glove: 90 g / 3.17 oz. ) Color Yellow, Blue, Gray Appearance material Product material Battery specification Indicator LED Buzzer Interfaces Operating temp. Charging temp Storage Temp. Humidity Plastic Plastic 1200 mAh ( removable ) Power, Work, Bluetooth Y Type-C User environment

-20 to 50

-20 to 40

-40 to 70 5%RH - 95%RH non condensing UHF Antenna Linear Polarized Antenna (-2.38dBi) Frequency Protocol Perp power R/W range 920-925MHz/902-928MHz/865-868MHz EPC C1 GEN2 / ISO18000-6C 19.81dbm 80 cm 18 CEstatements:

Bluetooth(2402-2480MHz)MaxEIRPis1.13dBm. Hereby,ShenzhenChainwayInformationTechnologyCo.,Ltd.declaresthattheradioequipment typeMR20ofWearableBTUHFReaderisincompliancewithDirective2014/53/EU. SpecificAbsorptionRate(SAR) YourproductistestedtocomplywithapplicablerequirementsandregulationsoftheEuropean Unionofhumanexposuretoradiowave. SpecificAbsorptionRate(SAR)isusedtomeasureradiowavesabsorbedbyabody.Thedevice complieswithRFspecificationswhenthedeviceusedatadistanceof0mmfromyourbody.The SARlimitis2.0W/kgaveragedover10gramoftissueintheEuropeanUnion. ThisproductwastestedandrecordedthemaximumSARvaluewas0.27W/kgforthebody. FCCstatements:

Thisdevicecomplieswithpart15oftheFCCrules.Operationissubjecttothefollowingtwo conditions:(1)thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustacceptany interferencereceived,includinginterferencethatmaycauseundesiredoperation. NOTE:ThemanufacturerisnotresponsibleforanyradioorTVinterferencecausedbyunauthorized modificationsorchangestothisequipment.Suchmodificationsorchangescouldvoidtheusers authoritytooperatetheequipment. NOTE:ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigital device,pursuanttopart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonable protectionagainstharmfulinterferenceinaresidentialinstallation.Thisequipmentgeneratesuses andcanradiateradiofrequencyenergyand,ifnotinstalledandusedinaccordancewiththe instructions,maycauseharmfulinterferencetoradiocommunications.However,thereisno guaranteethatinterferencewillnotoccurinaparticularinstallation.Ifthisequipmentdoescause harmfulinterferencetoradioortelevisionreception,whichcanbedeterminedbyturningthe 19 equipmentoffandon,theuserisencouragedtotrytocorrecttheinterferencebyoneormoreof thefollowingmeasures:

Reorientorrelocatethereceivingantenna. Increasetheseparationbetweentheequipmentandreceiver. Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiveris connected. Consultthedealeroranexperiencedradio/TVtechnicianforhelp. TheSARlimitofUSA(FCC)is1.6W/kgaveragedoveronegramoftissue.DevicetypesMR20(FCC ID:2AC6AMR20)hasalsobeentestedagainstthisSARlimit. Theexposurestandardforwirelessmobilehotspotsemploysaunitofmeasurementknownas theSpecificAbsorptionRate,orSAR.TheSARlimitsetbytheFCCis1.6W/kg.TestsforSARare conductedusingstandardoperating(bodywornfor5mm)positionsacceptedbytheFCCwiththe mobilehotspottransmittingatitshighestcertifiedpowerlevelinalltestedfrequencybands.The SARguidelineincludesaconsiderablesafetymargindesignedtoassurethesafetyofallpersons regardlessofageandhealth. TheFCChasgrantedanEquipmentAuthorizationforthismodelmobilehotspotwithallreported SARlevelsevaluatedasincompliancewiththeFCCRFexposureguidelines. 20

ec oc oc oc oc oc a Wearable BT UHF Reader Model:MR20 Power Supply:DC 5V FCC ID: 2AC6AMR20 Sealing:IP65 Made in China 0A CHAINWAY Shenzhen Chainway Information Technology Co.,Ltd. 9F Building2, Dacian industrial Park, District 67, XingDong Community, Xinian Street, Bao an District, Shenzhen, Guangdong, China

Shenzhen Chainway Information Technology Co., Ltd. Date: 2022/9/19 To: Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 To Whom It May Concern:

The Shenzhen Chainway Information Technology Co., Ltd. the undersigned, hereby authorizes Mrs. Wendy Zhan from Shenzhen Morlab Communications Technology Co., Ltd., to act on the behalf of the Shenzhen Chainway Information Technology Co., Ltd. solely in matters relating to the application for an FCC equipment authorization for FCC ID: 2AC6AMR20 including the signing of documents in connection with this Application. Necessary acts carried out Shenzhen Morlab Communications Technology Co., Ltd. on our behalf of the Shenzhen Chainway Information Technology Co., Ltd. in connection with the Application shall have the same effect as acts of the Shenzhen Chainway Information Technology Co., Ltd. also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Thank you for your attention to this matter. Yours Sincerely, Signatory: Karen Xu Contact name: Karen Xu Title: Manager Tel: +86 755 23223301 8076 Email: karen@chainway.cn Company name: Shenzhen Chainway Information Technology Co., Ltd.

Shenzhen Chainway Information Technology Co., Ltd. Date:2022/9/19 To: Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 Re: Request of Confidentiality for FCC ID: 2AC6AMR20 To Whom it may concern:

Pursuant to sections 0.457 and 0.459 of Commissions Rules(CFR 47), and Section 552(b)(4) of the Freedom of Information Act, Shenzhen Chainway Information Technology Co., Ltd. hereby requests confidentiality and treatment of certain information accompanying this application. The 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. We are also hereby request Short-Term Confidentiality for 180 days after the grant as outlined in Public Notice DAO4-1705. This provision will give Shenzhen Chainway Information Technology Co., Ltd. temporary confidentiality of commercially sensitive information prior to product release. The requested Permanent and Short-Term Confidential exhibits are listed as follows:

PERMANENT AND SHORT-TERM CONFIDENTIAL LIST Exhibit Description Block Diagram Operational Description PERMANENT Schematics BOM Tune up procedure External Photos SHORT-TERM Internal Photos Test-Setup Photos

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User Manual The Applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentations, where applicable, will not be made public before the date of the Grant for this application. Signatory: Karen Xy Contact name: Karen Xu Title: Manager Tel: +86 755 23223301 8076 Email: karen@chainway.cn Company name: Shenzhen Chainway Information Technology Co., Ltd.