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Walkie-talkie/Mobile Radio Devices

About HTW Lab:

HTW lab provide professional certification and testing services that will help get your products to market faster, enabling greater sales and revenue.

Due to the existence of technical barriers to trade (TBT), it has caused great obstacles to the export of walkie-talkie products all over the world, and hindered the development of foreign trade.

Communicate with our experts to determine your needs and we will provide you with a free evaluation and proposal.


Why Choose Us?

HTW Lab, accredited by CNAS, CMA, CNCA & A2LA, consistently operates competently and generates accurate and valid results in accordance with ISO/IEC 17025. We are also IECEE CB Scheme Test Laboratory (CBTL). Thus, testing reports from HTW Lab can be accepted between countries.

We offer testing, certification and consulting services all over the world. On the basis of acquired experience and the accuracy of testing, we can ensure the safety of your products and speed up your time to market.

HTW has more than 20 years experience in providing wireless products testing and certification service, which is supported by our internal professional and technical team. We are capable of providing the CE/FCC/SRRC and other international certifications for mobile radio devices.

Your Benefits At A Glance:

1.20 Years Of Experience

HTW has extensive experience in all types of devices and regulatory requirements across markets. 

2.Provide Free Modification Service Program

Together with our wealth of knowledge in complex regulations globally, HTW provides a complete suite of testing solutions according to your needs including free Modification service.

3.Save time to global markets

With over 7,000 square meters of labs, HTW offers the best testing cycles and you don't have to wait in line, HTW offers 1-on-1 service.With our in-depth insight of global product quality and regulatory requirements, HTW can optimize your costs and minimize your time to market.

4.Complete qualifications

ISO/IEC 17025 lab, accreditated by CNAS, CMA,A2LA,GLP.

5.Competitve price

located in China ,Testing costs are lower than other labs.

    We're Here for You

    We're based in China but regularly work with clients globally. We will get back to you in 1 working day.

    Our Business Hours: 

    8.30am - 5.00pm in CST (UTC/GMT+08:00) Monday - Friday 


    Kindly tell us ‘how did you hear about us’.

    HTW Testing and Certification Solutions.

    Our Accreditation and Cases

    HTW Lab - Since 1980, specialise in IoT & wireless device testing. We work with you and grow your business. Kindly check our accreditation: ISO/IEC 17025 Accredited - CNAS: L1225; A2LA: 3902.01; FCC: 762235; IC: 5377A. In addition, login to FCC official website, find and click on 'Test Firm', search for 'HUATONGWEIto see our cases on record (1655 Applications can be Found). Follow us on YouTube, you can find the step-by-step instruction - HTW Lab FCC Certification.

    Screen Shot 2022-01-14 at 16.00.37 pm.png


    Experience In Testing Process

    Q1: precautions for test receiver.

    A1: The customer should provide audio fixtures and bit error rate monitoring software

    Q2: What are the common unqualified test items?

    A2: Adjacent and alternate channels power, Transmit spurious emission, Average usable sensitivity

    Process of Certification Service

    1. Provide us with product pictures, product brochures/manuals

    2. Determine your needs(test report purpose/ test itmes/ standards)

    3. Receive the testing/compliance service proposal and quotation 

    4. Sign contract and make payment

    5.Send samples (please contact us for address info.)

    6.Informed project opening and test TAT(turn around time) via email


    8.Draft report for your confirmation

    9. Formal reports endorsed by ILAC - CNAS (electronic version) 

    10.Sample Discard or Return

    Certification Services We Offer


    America FCC

    EU CE

    Canada  IC

    China CCC / SRRC / CTA

    Japan  MIC

    Australia RCM

    Korea  KC

    Singapore IMDA

    Taiwan NCC

    Thailand NBTC

    Vietnam MIC

    Malaysia SIRM

    Brazil ANATEL

    India WPC

    Philippines NTC

    Other Global Certifications 

    Qualifications of HTW Lab

    IS0 17025

    • CNAS (CNAS L1225) 

    • CMA (180015143568)

    • A2LA (3902.01)

    Accredited by Agency

    • TUV-SUD, ACB, NEMKO, EMCC, PHOENIX, Micom, Applus

    • Accredited by Country

    • EU 

    • USA (FCC No.: 762235)

    • Canada (CAB ID: CN0027)

    • Japan

    • Australian, New Zealand

    Product We Test




    Handheld Walkie Talkie



    Car Station


    Standards We Test To







    EN300 086

    EN300 113

    EN 300 219

    EN301 166

    EN 300 392-2

    EN301 489-1

    EN301 489-5



    United States

    FCC Part90

    FCC Part15B

    FCC Part2.1093








    Article 2 Paragraph 1 Item 1-11

    MIC Notice No.88 Annex 79



    信部无[2009]666 号

    GB/T 32659-2016

    GB/T 12572-2008




    AS/NZS 4295:2015

    AS/NZS 4768.1:2010

    AS/NZS 4768.2:2003


    AS/NZS 2772.2-2016

    AS/NZS 62368.1:2018

    Testing We Support



    • Transmit Output Power 

    • Frequency Deviation 

    • Adjacent and Alternate Channels Power 

    • Emission Mask

    • Occupy Bandwidth 

    • Modulation Limit

    • Audio Frequency Response 

    • Frequency Error

    • Radiated Unwanted Emissions in The Spurious Domain 

    • Intermodulation Attenuation


    • Maximum Usable Sensitivity

    • Co-channel Rejection

    • Adjacent Channel Selectivity

    • Spurious Response Rejection

    • Intermodulation Response Rejection

    • Blocking or Desensitization

    • Receiver Spurious Emissions



    • Conducted Emission 

    • Radiated Emission

    • Harmonic Current Emissions

    • Voltage Fluctuations and Flicker


    • Electrostatic Discharge

    • Radio Frequency Electromagnetic Field (80mhz~6000mhz)

    • Fast Transient Common Mode

    • Radio Frequency Common Mode (0.15 Mhz ~ 80 Mhz)

    • Voltage Dips and Interruptions

    • Surge

    • Vehicular Transients and Surges


    • Maximum Temperature Test

    • Electrical Power Sources (PS) Measurements for Classification

    • Input Test

    • Simulated Abnormal Operating Condition Test

    • Simulated Single Fault Condition Test

    • Durability, Legibility and Permanence of Markings

    • Battery Test

    • Steady Force Test

    • Drop Test

    • Stress Relief Test

    Requirement of Technical Documents

    Non-technology Documentation 

    • User manual 

    • Label 

    • ISO certification of manufacturer (optional) 

    Technology Documentation

    • Schematics 

    • Operational description 

    • Block diagram

    • PCB Layout / PCB placement (optional)

    • BOM (optional)

    • Antenna specification (optional)

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