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BT/Wifi Devices

Bluetooth & Wifi Products

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.

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

Why Choose Us?

HTW Bluetooth and Wireless Testing Solutions to help meet global requirements and regulations for your wireless devices. We are experienced in working with wireless products in categories including: Consume, Industrial, Electronics & IoT products, Household Appliances, Medical and Smart Home.

A growing number of products involve wireless technologies to compete in today’s market. For this reason, new products must comply with regulatory compliance requirements before launch in different countries and markets. The expansion of frequencies in wireless device testing is a challenge for the TIC industry as well. As a leading company, we have experience in testing wireless devices, bluetooth products and Internet of things (IoT) devices. Talk to our experts about wireless testing and certification solutions.

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.

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.

    Product We Test

    Bluetooth Speaker

    Bluetooth Earphone

    Bluetooth Keyboard

    Bluetooth Mouse

    ... ...

    Wifi Router

    Bluetooth/Wifi Tablet

    Wifi Camera

    IoT & IIoT Devices

    ... ...

    Bluetooth/Wifi Driving Recorder

    Wifi Wireless Doorbell

    Smart Home Appliance

    Wifi Projector

    ... ...

    Standards We Test To







    EN 300 328 V2.2.2

    EN 301 489-1 V2.2.3

    EN 301 489-17 V3.2.4

    EN 62479:2010 (

    EN 50663:2017(

    EN/IEC 62311:2020 (>20mW)

    EN 50566:2017

    EN 62209-2: 2010/A1:2019


    United States

    FCC Part15.247

    FCC Part15B

    FCC Part2.1093

    FCC Part2.1091



    IC RSS-247 Issue 2

    IC ES 003

    RSS-102 Issue 5



    Article 2 Paragraph 1 Item 19

    MIC Notice No.88 Annex 79







    AS/NZS 4268:2017

    AS/NZS 2772.2-2016

    AS/NZS 62368.1:2018

    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 

    Our Accreditation and Cases

    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 , IC 5377B-1)

    • −Canada (CAB ID: CN0027)

    • −Japan

    • −Australian, New Zealand

    • ... ...

    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: Do Bluetooth products need to be tested at fixed frequency?

    A1: Yes, it must be able to switch the working channel, maintain continuous transmission, switch between different modulation methods, switch the modulation mode;

    Therefore, it is necessary to provide product fixed frequency guidelines and fixed frequency software.

    Q2: When testing, do customers need to declare the transmit power value of their products?

    A2: Yes, our test should be based on the customer’s declared transmit power value

    Q3: When testing, do customers need to inform their product's antenna to gain value?

    A3: SRRC, RED, UKCA, RCM certification required,

    FCC ID, IC, NCC, JRL certification not required

    Q4: What are the common unqualified test items?

    A4: Transmit spurious emission

    Service Procedure

    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

    Sample Requirement

    2 sets of complete samples

    1-2 sets of test mode samples

    Fixed frequency software

    Note: Requirements of test mode sample 

    1. Connected with RF cable

    2. Fixed frequency software installed or provided

    3. A fixture (control panel) is required for single Bluetooth products

    4. Fulfil testing requirements(support Fixed frequency,Frequency hopping,Continuous launch, etc.)

    Testing We Support



    • Transmit output power 

    • Power spectral density

    • Occupy bandwidth

    • Channel number 

    • Hopping frequency separation

    • Dwell time

    • Transmitter unwanted emissions in the Out-of-band domain

    • Transmitter unwanted emissions in the Spurious domain


    • Receiver Spurious Emissions

    • Adaptivity

    • Receiver Blocking



    • 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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