香港标准及检定中心有限公司 (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.  

Radio Frequency and Electromagnetic 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 Receiver 	 27 MHz Walkie Talkie 	 40 MHz Remote controlled Transmitter and Receiver 	 433MHz Remote controlled Transmitter and Receiver 	 868MHz Remote controlled Transmitter and Receiver 	 2.4GHz Remote controlled Transmitter and Receiver  

EMC Tests for R&TTE

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

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

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 A 	 Computer 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 Games 	 AC 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 Player 	 AC/DC operated CD/VCD/DVD Player 	 AM/FM Broadcast Receiver with CD/VCD/DVD Player 	 Car Radio with CD/VCD/DVD 	 27 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 Oven 	 Energy Saving Lamp 	 Electronic Ballast 	 Pocket TV  

EMC Tests for FCC and IC standards

香港德国莱茵技术监护顾问股份有限公司

  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

STC offer&nbsp;Electromagnetic Compatibility (EMC) Testing services for medical devices such as:&nbsp; 	 Medical Electrical Equipment 	 In Vitro Diagnosis (IVD) Medical Equipment&nbsp;    Electromagnetic Compatibility Testing (EMC)   	 IEC / EN 60601-1-2 	 CISPR 11 / EN 55011 	 IEC / EN 61326-1 	 IEC / EN 61326-2-6 	 FCC Part 15 / Part 18 	 ICES-001 / ICES-003  
  Radio Frequency Testing (RF)   	 EN 300330-1; EN 300330-2 (9 kHz to 30 MHz) 	 EN 300220-1; EN 300220-2 (25 MHz to 1000 MHz) 	 EN 300440-1; EN 300440-2 (1 GHz to 40 GHz) 	 FCC Part 15 / Part 18; RSS-210&nbsp;    Bluetooth   	 EN 300328 (2.4 GHz) 	 FCC Part 15 / Part 18 	 RSS-247    Wi-Fi   	 EN 300328 (2.4 GHz TRx WiFi b / g / n) 	 EN 301893 (5.8 GHz) 	 FCC Part 15 / Part 18 	 RSS-247  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 
&nbsp;

Electromagnetic Compatibility for Medical Devices

Nemko Hong Kong Limited

C-tick marking denotes compliance to the RCM regulation in Australia. It shows products comply with safety, EMC, RF requirements in Australia. 

C Tick 

EMC Toys Testing
Electromagnetic Compatibility for Toys 	 Whole toy testing 	 AS/NZS CISPR 14, C-Tick(RF toys) 	 EN 55014-1/55014-2 	 RED (RF toys) 	 FCC Part 15 (RF toys)&nbsp;  If you have any further question, please feel free contact us at enquiry@stc.group or visit our website: https://www.stc.group/en/services/detail/toys

EMC FCC Part 15 Toys Testing

EMC Toys Testing
Electromagnetic Compatibility for Toys 	 Whole toy testing 	 AS/NZS CISPR 14, C-Tick(RF toys) 	 EN 55014-1/55014-2 	 RED (RF toys) 	 FCC Part 15 (RF toys)&nbsp;  If you have any further question, please feel free contact us at enquiry@stc.group or visit our website:
https://www.stc.group/en/services/detail/toys

EMC EN 55014 Toys Testing

 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.  

EMC Testing Service

UltraOne Technologies Limited

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

Wireless Network

Nemko offer EN 18031 testing and evaluation to help you ensure your radio products comply to the coming mandatory cyber security requirement under EU Radio directive.  Nemko issue EU type examination certificate to cover RED article 3.3 d.e.f. You can choose to get an RED EU type examination to cover all essential requirement or to cover for only cyber security. 

EN 18031 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) 	 Receiver 	 Receiver with CD/VCD/DVD player  B. Components (without external antenna jack) 	 DC Operated AM/FM Radio 	 DC Operated AM/FM Radio with Aux 	 AC/DC Cassette Recorder 	 AC/DC AM/FM Radio with Aux 	 AC/DC with CD &amp; Radio + (Optional Aux) 	 Hi-Fi + CD + Radio + Amp + (Optional Aux) 	 AC/DC Speaker  C. Household equipment 	 DC with motor/electric w/o electronic 	 DC with electronic which is less than 15MHz 	 DC with motor and electronic which is less than 15MHz 	 AC/DC with electric but w/o electronic and thermal switch 	 AC/DC with electric and thermal switch but w/o electronic 	 AC/DC with electronic and motor but w/o thermal switch 	 AC/DC with electronic less than 15MHz and with thermal switch 	 AC/DC with electronic more than 15MHz and thermal switch  D. 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 electronic  E. Lighting Equipment 	 DC w/o electronics 	 AC/DC w/o electronics 	 DC with electronics 	 AC/DC with electronics but w/o fluorescent lamp 	 AC/DC with electronics with fluorescent lamp 	 Energy saving lamp 	 Electronics ballast  F. Toys 	 DC with motor/electric w/o electronic 	 DC with electronic less than 15MHz w/o motor 	 DC with electronic less than 15MHz with motor 	 DC with electronic more than 15MHz w/o motor 	 DC with electronic more than 15MHz with motor 	 DC racing car on track, no electronics 	 AC/DC racing car on tracks, no electronics 	 Game 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.  

EMC Tests for European Standards

STC&#39;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)&nbsp;Testing   	 American FCC Standards
	ANSI C63.4, 47 CFR Part 15,&nbsp;47 CFR Part 18 	 Canadian EMC Standards
	ICES-001, ICES-003, ICES-005 	 European EMC Standards
	EN12015, 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-xx  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 

Electromagnetic Compatibility (EMC) Testing

  T&Uuml;V Rheinland&rsquo;s approach to wireless testing is as follows:     Submission of documents and application   Submission of product for preliminary assessment and testing, according to the specified standard, such as 802.11x   Product test approval upon successful completion of test   Report generation and company certification  

Wireless Testing

HONGKONG YILAW INSPECTION AND TESTING TECHNOLOGY CO., LIMITED

FCC 认证（美国市场适用）电子产品进入美国市场前，确保符合美国联邦通信委员会（FCC）要求。服务亮点明确电子及无线产品适用的 FCC 法规要求执行电磁干扰（EMI）与射频（RF）测试准备并审核技术文件、测试报告及产品标签协助向 FCC 认可机构提交认证申请降低产品在边境被拒或产生高额召回成本的风险为何选择 ECQA拥有熟悉美国法规合规与文件准备的专业团队与 FCC 认可的资质测试实验室建立合作关系提供有关标签、文件及认证流程的详细指导通过高效协调加速产品进入市场的进度关于 ECQAECQA 是一家致力于全球的验货、验厂、测试、认证的专业质量服务公司，主创团队来自各大公证行及大型贸易公司，拥有 30 年质量行业服务经验，服务范围覆盖全球 40 多个国家及地区。立即预约 FCC 认证服务顺利取得 FCC 合规资格，进军美国市场。联系我们获取报价。

FCC 认证（美国市场）

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

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

锦辉电子有限公司

X-Ray InspectionX-Ray Inspection is a non-destructive test method used to examine hidden solder connections, such as those under BGA and QFN components. It effectively identifies defects like solder voids, bridges, and misalignment that are invisible to the naked eye, ensuring the structural and electrical integrity of complex PCB assemblies. 

X-Ray inspection

Nemko can issue MIC certificaiton for radio and wireless product to get market access to Japan.  Our certification scope covers all radio under the Japan MIC regulation, naming B1, B2, B3. Nemko TCB provide one stop wireless certification for the markes covering EU, US, Japan , Karan, Hong kong and Taiwan. 

Japan MIC Approval

GRG METROLOGY & TEST GROUP CO., LTD.

GRGTEST technical capabilities cover 2.5D and 3D packaged integrated circuits, and it can provide comprehensive technical services such as failure location analysis (FA), wafer-level material and process failure analysis (MA) for various failed components. Service capabilities Component failure analysisPCB, solder joints, board card failure analysisMetal fracture failure analysis

Failure Analysis 

香港通用公证行有限公司

As Wi-Fi becomes the preferred mode of connectivity, both private and corporate consumers are choosing certified wireless products with more confidence. Wi-Fi certification according to the Wi-Fi Alliance testing standards is an internationally recognized seal of approval. Manufacturers of wireless devices sold in global markets rely on certification to demonstrate products have met industry standards for interoperability, security, and application-specific protocols. Wi-Fi 6E is the next-generation wireless standard capable of operating in the 6 GHz band at speeds up to 9.6 Gbps. The “E” in Wi-Fi 6E stands for Extended, referring to the extension of the usable frequency range, which provides enhanced stability and improved performance, which should be especially noticeable on a network that supports a number of Wi-Fi 6E devices. Our Wi-Fi certification testing services include: Wi-Fi certification testing for 802.11 a/b/gWi-Fi pre-testing for 802.11 a/b/g productsWe also offer Laboratory rental services which can provide: Application Special Device (ASD) TestingWPA2 testWMM (QoS) testing802.11h+dExtended EAP     SGSexperts are capable of significantly reduce the turnaround time by taking advantage of our state-of-the-art system and the highly automated testing software. 

Wifi Testing Service

From general-purpose instruments and equipment to industry-specific instruments and equipment, GRGTEST is dedicated to providing customers in the industry with precise measurement and metrology services for the entire traceability chain of instruments and equipment, including design, manufacturing, calibration, testing, maintenance, operation and management, scientific research and breakthroughs, and post-market services.  Measurement and Testing Instrument Calibration and VerificationMeasurement Equipment InspectionSpecial Equipment InspectionRadiation Hygiene Testing and EvaluationMaintenance and Operation Maintenance WarrantyFault DiagnosisCalibration and RepairIntelligent Operation and MaintenanceEquipment Information ManagementDesign and Manufacturing Autonomous calibration and verification toolsHigh-precision coordinate measurement calibration system (measurement accuracy for large-sized products reaches sub-micron level)Scientific research Development of measurement methods/standardsOnline calibration/automatic calibrationQuantum diagnostic measurement/quantitative measurementExtended Services Technical TrainingDevelopment of Standard SubstancesQuality Management and Certification Services

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