The Hong Kong Standards And Testing Centre Ltd (STC)

We offer radio frequency and electromagnetic testing services for customers. We use high-quality equipment to test and provide precision results. Our services are professional and reliable. Providing technical support services.Assist and strengthen the product modification.To know more or enquire any specific service, please visit https://www.stc.group and fill in our enquiry form on https: www.stc.group/contact. 

Radio Frequency and Electromagnetic Testing

With over 50 years of experience, STC has been a leader in EMC testing and is a&nbsp;Local Certified Body (LCB) under the&nbsp;Office of the Communications Authority (OFCA)&nbsp;of the Hong Kong Government. Our state-of-the-art laboratory, RF and EMC testing chambers allow for ElectroMagnetic Interference (EMI) and ElectroMagnetic Susceptibility (EMS) testing, as well as RF testing for radio frequency products.

STC&rsquo;s EMC testing and RF testing capabilities are recognized and comply with internationally standards to help manufacturers, retailers and importers meet regulatory requirements and quickly get products to international markets.

  Radio Frequency (RF)&nbsp;Testing   	 American RF Standards&nbsp;(ANSI C63.10, 47 CFR Part 15) 	 Australian RF Standard&nbsp;(AS/NZS 4268) 	 Canadian RF Standards&nbsp;(RSS-Gen, RSS-210, RSS-220, RSS-222, RSS-247, RSS-310) 	 European RF Standards&nbsp;(EN 300086, EN 300113, EN 300220, EN 300296, EN 300328,EN 300330, EN 300390, EN 300422, EN 300440,&nbsp;EN 301166, EN 301178, EN 301357, EN 301559,&nbsp;EN 301893,EN 302018,&nbsp;EN 302065, EN 302195,&nbsp;EN 302208, EN 302502, EN 302536, EN 302608, EN 302609, EN 303203, EN 303204, EN 303406,EN 303354) 	 Hong Kong Radio Specifications&nbsp;(HKCA 10XX)  If you have any further question, please feel free contact us at&nbsp; enquiry@stc.group &nbsp;or visit our website:&nbsp; https://www.stc.group/en/contact 

Radio Frequency (RF) Testing

UltraOne Technologies Limited

Professional Display Solution that allow our customers to easily and consistently develop top quality content and create impactful messages via an integrated network media.  

Professional Display Solution

TUV Rheinland HK Ltd

  Our Audits  
We perform audits based on the specifications of the R&amp;TTE directive. We also perform compatibility inspections and quality inspections. These include:   Audits for electromagnetic compatibility   Audits for radio test series   Audits for electrical safety and compliance with health and safety regulations   Notification in individual EU countries   Audits for compliance with interface parameters in line with national and international standards and individual manufacturer specifications   Compatibility and quality inspections for analog and digital terminals and devicesIssuing an audit report and a certificate  

Radio Installations and Telecommunications Products Testing

Drawing on a complete understanding of government regulations and policy that apply to electrical and electronics industry, STC can help you to test Radio Frequency (RF) and ElectroMagnetic Compatibility (EMC) in accordance with various international standards.  EMC Tests for R&amp;TTE: 27 MHz Remote controlled Transmitter and Receiver27 MHz Walkie Talkie40 MHz Remote controlled Transmitter and Receiver433MHz Remote controlled Transmitter and Receiver868MHz Remote controlled Transmitter and Receiver2.4GHz Remote controlled Transmitter and ReceiverTo know more or enquire any specific service, please visit https://www.stc.group and fill in our enquiry form on https: www.stc.group/contact. 

EMC Tests for R&TTE

Kensen Digital Limited

Kensen Digital is an innovative and technically oriented company focus on developing and manufacturing of digital electronic products including various types of digital radio and wireless technologies such as in-car and portable DAB/DAB+/HD radios. We provide ODM/OEM services as a turnkey solution provider to realize your concepts and ideas. We work with customers closely at all stages of design and manufacture, from concept to finish, to bring unique products. When customers provide concept and specifications, we then work out a rough total cost for design, prototype, and estimated unit cost. 

ODM/OEM Services

Mecca Electronics Co Ltd

SPI InspectionSolder Paste Inspection (SPI) is an automated 3D optical inspection performed immediately after the solder paste is printed onto the PCB. It precisely measures the volume, height, and alignment of the paste to detect printing defects early. This proactive check prevents soldering issues in subsequent stages, significantly improving production yield and reducing rework. 

3D Solder Paste Inspection (SPI)

Wide range coverage for indoor/outdoor and wireless bridge solution.  

Wireless Network

E-PowerSpot Hong Kong Limited

E-PowerSpot has set up over 2,000 power bank rental stations across Hong Kong! With the advancement of technology, mobile devices have become an indispensable part of daily life, and E-PowerSpot is committed to ensuring that every user stays connected at all times. Our advertising displays are equipped with high-definition screens, effectively conveying information to various target audiences and widely applicable across different sectors in Hong Kong. E-Powerspot offers flexible partnership options; whether for short-term or long-term cooperation needs, we can provide customized solutions based on specific client requirements. All advertising displays support multiple playlists and can play in a 24-hour loop, integrating brand information into consumers' daily lives and becoming the advertising format closest to consumers and retail points. 

Digital Advertising Display for Charging Stations

V-Trust Inspection Service Co., Ltd

Wide Expertise in the TV Industry  V-Trust's inspection services for TVs and their accessories provide invaluable support to buyers, ensuring that products comply with customer requirements and quality standards.  Whether it is an order of LED TVs or SKD/CKD TV sets, the V-Trust team conducts a thorough assessment of the exterior and screen condition, ensuring there are no physical damages or defects, such as dead pixels or discoloration. Functionality and safety testing covers power, battery, display brightness and quality, sound performance, connectivity options, and other tests before products are released to the market.  V-Trust helps buyers minimize risks and avoid costly issues by providing detailed inspection reports with photographic evidence available within 6 to 24 hours after the inspection.  Why V-Trust  ✔ Full-Time Inspectors Only: We do not hire part-time QC staff or outsource to other firms. This approach serves as a key anti-bribery measure and ensures the highest level of reliability in our inspection reports. ✔ Diverse Product Range: Our team covers a wide range of product categories, including electronics, electrical products, lighting, building materials, furniture, home décor, kitchenware, textiles, apparel, and industrial goods. ✔ 2,500+ Checklists: We offer comprehensive checklists for various product lines, drawing on our extensive QC experience. ✔ Online Booking: Easily book services through our advanced online system, and access inspection results and supply chain statistics via the QC dashboard. ✔ Quick and Efficient Service: Receive same-day quotations, with reports available 6 to 24 hours after inspection. We also offer free laboratory testing and regulatory consultations.  About V-Trust  V-Trust is the largest product inspection company in Asia, employing only full-time inspectors. With over 600 staff across 10 Asian countries, we conduct more than 110,000 inspections and audits annually, serving over 13,000 buyers worldwide.  We are experts in the quality control industry, offering a wide range of cost-effective services, including product inspections, factory audits, laboratory testing, and product certification.  V-Trust operates in China and key export markets such as India, Vietnam, Malaysia, Thailand, Bangladesh, Pakistan, Cambodia, Indonesia, and Myanmar.  For more information, please contact us:Website: www.v-trust.comEmail: cs@v-trust.com 

TV & Accessories Product Inspection

Centre For Perceptual And Interactive Intelligence (CPII) Ltd

FlashLight performs AI video analytics with its acceleration technology, delivering fast and interactive searches on videos. FlashLight opens up a range of applications in areas such as lost-and-found, security, and logistics. 

FlashLight: AI Search on Video

All electrical and electronic products that manufacturers plan to sell in the United States must comply and meet relevant RF and EMC requirements under the&nbsp;Federal Communications Commission (FCC).

FCC&nbsp;testing and authorization involves two approval procedures - &#39;Certification&#39;&nbsp;and &#39;Supplier&rsquo;s Declaration of Conformity (SDoC)&#39;.

The approval procedure required to be used is specified in the applicable&nbsp;FCC&nbsp;rule part(s) that apply to the radio frequency functions of a device or an end product. In general, except when otherwise stated in a rule, intentional radiators(transmitters) arerequired to be approved using the certification procedure,and unintentional radiators (e.g.digital circuitry) are approved using the&nbsp;SDoC&nbsp;procedure.

STC&rsquo;s technical competence meets&nbsp;FCC&nbsp;requirements for various scopes of accreditation for testing performed in support of&nbsp;SDoC&nbsp;and Certification.

  FCC Recognized Accredited Scope   	 Unintentional Radiators&nbsp;(FCC Part15 Subpart B) 	 Intentional Radiators&nbsp;(FCC Part 15 Subpart C) 	 U-NII without DFS Intentional Radiators&nbsp;(FCC Part 15 Subpart E) 	 UWB Intentional Radiators&nbsp;(FCC Part 15 Subpart F) 	 White Space Device Intentional Radiators&nbsp;(FCC Part 15 Subpart H) 	 Industrial, Scientific, and Medical Equipment&nbsp;(FCC Part 18)  If you have any further question, please feel free contact us at&nbsp; enquiry@stc.group &nbsp;or visit our website:&nbsp; https://www.stc.group/en/contact 

FCC Testing

Provide High Quality Surveillance Solution with Analytics Solution.  

Surveillance & Security System

Services and Solutions: Intelligent Lighting System, Integrated AV Control 

Central Control System

Radio frequency and electromagnetic compatibility (EMC) Testing: The EMC testing service reveals the performance of your products in electromagnetic conditions.Conducting RF testing, electromagnetic compatibility testing (i.e. electromagnetic interference &amp; electromagnetic susceptibility) in accordance to standards of Australia, Canada, China, Europe, Hong Kong, Japan, Kuwait, Korea, New Zealand, Saudi Arabia, the United States, etc.Providing technical support services.Assisting customers on product modification in order to meet stringent standards of various countries.The international certifications that we can assist customers to obtain, and accreditation/recognition that we have gained: (Europe) CE, RTTE Certification; (Germany) DAkkS; (USA) FCC, TCB; (Canada) IC; (China) CNAS; (Australia/New Zealand) C-Tick; (Japan) VCCI; (Hong Kong) HKSI.To know more or enquire any specific service, please visit https://www.stc.group and fill in our enquiry form on https: www.stc.group/contact. 

EMC Testing Service

Drawing on a complete understanding of government regulations and policy that apply to electrical and electronics industry, STC can help you to test Radio Frequency (RF) and ElectroMagnetic Compatibility (EMC) in accordance with various international standards.  EMC Tests for FCC and IC standards: A. Digital Devices Computer or peripherals Class AComputer or peripherals Class B (e.g. Keyboard, display card, multi-function card, printer, monitor, mouse and scanner etc.)Digital Devices (e.g. video game, etc.)Game controller for console [e.g. Playstation, etc.]Battery-operated Handheld GamesAC operated handheld games B. Radio Frequency Devices AM/FM Broadcast Receiver (DC)AM/FM Broadcast Receiver (AC or AC/DC)DC operated CD/VCD/DVD PlayerAC/DC operated CD/VCD/DVD PlayerAM/FM Broadcast Receiver with CD/VCD/DVD PlayerCar Radio with CD/VCD/DVD27 MHz Remote controlled Transmitter (1 channel)27 MHz Walkie Talkie (1 channel)49 MHz Transmitter (1 channel)49 MHz Walkie Talkie (1 channel)49 MHz Receiver (1 channel)315 to 433 MHz Transmitter (1 channel)315 to 433 MHz Receiver (1 channel)900MHz Transmitter (1 channel)900MHz Receiver (1 channel)2.4GHz Transmitter (1 Pair)Multi-band Broadcast Receiver (AC or AC/DC)Microwave OvenEnergy Saving LampElectronic BallastPocket TVTo know more or enquire any specific service, please visit https://www.stc.group and fill in our enquiry form on https: www.stc.group/contact. 

EMC Tests for FCC and IC standards

Satisloh Asia Ltd.

The local presence and availability of Satisloh specialists assure excellent uptime for the production equipment. Our hotlines in Europe, Asia, North and Middle &amp; South America provide around the clock phone support 6 days a week allocating expertise to secure your production. 

Remote Service

Nemko Hong Kong Limited

Nemko lab in Korea is accredited to perform Korean KC certification testing for radio and EMC related products. Nemko TCB can issue KC/EMC&amp; RF certification. For KC safety certification, Nemko CB can be recognized by KTC or KETI to review and issue the KC safety certification. 

KC certification

STC's EMC testing and RF testing capabilities are recognized and comply with international standards to help manufacturers, retailers and importers meet regulatory requirements and quickly get products to international markets.  Our experts also offer professional technical support services for product improvements and modifications to meet stringent standards of various countries and on-site RF and EMC testing for larger equipment including measurements for offices, giant machinery, casinos, railway EMC Testing and human exposure to Environmental ElectroMagnetic Fields (EMF) testing.  Electromagnetic Compatibility (EMC)Testing American FCC StandardsANSI C63.4, 47 CFR Part 15,47 CFR Part 18Canadian EMC StandardsICES-001, ICES-003, ICES-005European EMC StandardsEN12015, EN12016, EN50121-x-x, EN50130-4, EN55011, EN55013, EN55014, EN55015, EN55020, EN55022, EN55024, EN55032, EN55035, EN60601-1-2, EN61000-3-x, EN61000-4-xx, EN61000-6-x, EN61204-3, EN61326-x-x, EN61547, EN62040-2, EN301489-xxTo know more or enquire any specific service, please visit https://www.stc.group and fill in our enquiry form on https: www.stc.group/contact. 

Electromagnetic Compatibility (EMC) Testing

Drawing on a complete understanding of government regulations and policy that apply to electrical and electronics industry, STC can help you to test Radio Frequency (RF) and ElectroMagnetic Compatibility (EMC) in accordance with various international standards.  European (&amp; Australia / New Zealand) EMC Test:  A. Components (with external antenna jack) ReceiverReceiver with CD/VCD/DVD playerB. Components (without external antenna jack) DC Operated AM/FM RadioDC Operated AM/FM Radio with AuxAC/DC Cassette RecorderAC/DC AM/FM Radio with AuxAC/DC with CD &amp; Radio + (Optional Aux)Hi-Fi + CD + Radio + Amp + (Optional Aux)AC/DC SpeakerC. Household equipment DC with motor/electric w/o electronicDC with electronic which is less than 15MHzDC with motor and electronic which is less than 15MHzAC/DC with electric but w/o electronic and thermal switchAC/DC with electric and thermal switch but w/o electronicAC/DC with electronic and motor but w/o thermal switchAC/DC with electronic less than 15MHz and with thermal switchAC/DC with electronic more than 15MHz and thermal switchD. Information technology equipment No data transfer, No electronic (EN61000-6-3, EN61000-6-1)No data transfer, with electronic (EN61000-6-3, EN61000-6-1)With data transfer, with electronicE. Lighting Equipment DC w/o electronicsAC/DC w/o electronicsDC with electronicsAC/DC with electronics but w/o fluorescent lampAC/DC with electronics with fluorescent lampEnergy saving lampElectronics ballastF. Toys DC with motor/electric w/o electronicDC with electronic less than 15MHz w/o motorDC with electronic less than 15MHz with motorDC with electronic more than 15MHz w/o motorDC with electronic more than 15MHz with motorDC racing car on track, no electronicsAC/DC racing car on tracks, no electronicsGame controller for console [e.g. Playstation, Dreamcast, N64, etc.]G. Generic Products DC operated without infra red e.g. calculator, clock, camera, solar panel etc.DC operated with infra red e.g. calculator, clock, camera, solar panel etc.AC operated calculator, clock, fan (use in computer) etc.To know more or enquire any specific service, please visit https://www.stc.group and fill in our enquiry form on https: www.stc.group/contact. 

EMC Tests for European Standards

Wide Expertise in the Home Audio &amp; Speakers Industry  V-Trust's inspection services for home audio and speakers provide essential support to buyers, ensuring that products meet customer specifications and quality standards.  Whether it’s home audio systems or standalone speakers, V-Trust’s inspection process carefully examines product integrity, appearance, and build quality to ensure there are no defects like scratches, dents, or loose parts. Functionality checks focus on sound quality, speaker sensitivity, battery performance, and power output, along with total harmonic distortion (THD) and frequency range. Additional tests cover connectivity, including wired and wireless options, Bluetooth pairing, multi-device compatibility and other tests to confirm product reliability.  V-Trust helps buyers minimize risks and avoid costly issues by providing detailed inspection reports, complete with photographic evidence, available within 6 to 24 hours after the inspection.  Why V-Trust  ✔ Full-Time Inspectors Only: We do not hire part-time QC staff or outsource to other firms. This approach serves as a key anti-bribery measure and ensures the highest level of reliability in our inspection reports. ✔ Diverse Product Range: Our team covers a wide range of product categories, including electronics, electrical products, lighting, building materials, furniture, home décor, kitchenware, textiles, apparel, and industrial goods. ✔ 2,500+ Checklists: We offer comprehensive checklists for various product lines, drawing on our extensive QC experience. ✔ Online Booking: Easily book services through our advanced online system, and access inspection results and supply chain statistics via the QC dashboard. ✔ Quick and Efficient Service: Receive same-day quotations, with reports available 6 to 24 hours after inspection. We also offer free laboratory testing and regulatory consultations.  About V-Trust  V-Trust is the largest product inspection company in Asia, employing only full-time inspectors. With over 600 staff across 10 Asian countries, we conduct more than 110,000 inspections and audits annually, serving over 13,000 buyers worldwide.  We are experts in the quality control industry, offering a wide range of cost-effective services, including product inspections, factory audits, laboratory testing, and product certification.  V-Trust operates in China and key export markets such as India, Vietnam, Malaysia, Thailand, Bangladesh, Pakistan, Cambodia, Indonesia, and Myanmar.  For more information, please contact us:Website: www.v-trust.com 

Home Audio & Speakers Product Inspection

E-PowerSpot has set up over 2,000 shared power bank rental stations across Hong Kong! Our shared power banks are available for rental anytime, offering flexibility and convenience. They can be placed in shopping malls, hotels, retail stores, and 24-hour shops, helping users meet their power needs at any time. Through our app, merchants can effectively drive traffic and attract more customers. Additionally, merchants can provide coupons in collaboration with E-PowerSpot, which can be placed on our shared discount platform to achieve a mutually beneficial outcome. Merchants can also take advantage of a free trial of our electronic advertising screens and easily upload their promotional advertisements and menus through E-PowerSpot's backend. The high-definition screens attract customers' attention, providing a quick and convenient way to increase merchants' visibility. 

Charging Station Leasing Service

Zhongshan Zhengri Lighting Appliances Co., Ltd

The company was established in 2003 and is a specialized manufacturer engaged in the research and development, production, and export of commercial lighting, specifically for downlights. With over 20 years of OEM &amp; ODM experience, the company has a professional technical team dedicated to the R&amp;D of lighting products, providing customers with more specialized and advanced technical support. Main products: cross-border special supply lighting products; LED downlights, LED spotlights, LED industrial and mining lights, ceiling lights, high-end downlights, aluminum reflector cups, aluminum parts for vehicles, and commercial lighting and lighting accessories. Our Advantage: 1.More than 20 years experience of lighting Manufacturer and Export; 2.Strong ODM&amp;OEM capabilities, 3.High quality products with warranty,pass ect; 4.Professional sales team and after-sale service team; 5.100%after-sales service； 

spotlight fixtures design

HONGKONG YILAW INSPECTION AND TESTING TECHNOLOGY CO., LIMITED

FCC (US)Ensure your electronic products meet U.S. Federal Communications Commission requirements before entering the market. Service Highlights Identify applicable FCC rules for electronic and wireless products Conduct electromagnetic interference (EMI) and radiofrequency (RF) testing Prepare and review technical documents, test reports, and labeling Manage certification submission to FCC-recognized bodies Reduce risk of border rejections or costly recalls Why Choose ECQA Specialists in U.S. regulatory compliance and documentation Partnership with accredited FCC-recognized testing laboratories Detailed guidance on labeling, documentation, and certification workflows Streamlined coordination for faster market entry About ECQAECQA is a third-party inspection and quality control service provider operating across Asia, Europe, and other major global manufacturing hubs. We offer product inspections, factory audits, testing, and certification to ensure quality and compliance. Book FCC Certification Services TodayAchieve FCC compliance and enter the U.S. market with confidence. Contact us for a quotation. 

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