EMC and Wireless RF Testing Services

JJR Electromagnetic Compatibility (EMC) Laboratory has established a comprehensive and independent testing system, with several EMC test anechoic chambers and electromagnetic shielding rooms. The laboratory is built in strict accordance with the ISO 17025 standard and is equipped with cutting-edge testing instruments from internationally renowned manufacturers such as Germany's R&S, Switzerland's EMTEST, America's Keysight, and AR. We have an experienced and efficient team of technical experts, fully compliant with international EMC standards, making us one of the most powerful EMC testing and certification organizations globally.

1. Testing Services

- EMI (Conducted, Radiated) Testing: CISPR 32, fcc part 15B

- Disturbance Power Testing: CISPR 14-1

- Harmonic Current Testing: IEC 61000-3-2 / GB 17625.1

- Surge Immunity Testing: IEC 61000-4-5 / GB/T 17626.5

- Oscillatory Wave Immunity Testing: IEC 61000-4-12 / GB/T 17626.12

- Electrostatic Discharge Immunity Testing: IEC 61000-4-2 / GB/T 17626.2

- Power Frequency Magnetic Field Immunity Testing: IEC 61000-4-8 / GB/T 17626.8

- Voltage Fluctuations, Voltage Fluctuations, and Flicker Testing: IEC 61000-3-3 / GB 17625.2

- Radiated RF Electromagnetic Field Immunity Testing: IEC 61000-4-3 / GB/T 17626.3

- Electrical Fast Transients Immunity Testing: IEC 61000-4-4 / GB/T 17626.4

- Conducted Disturbance Immunity Testing (RF field-induced): IEC 61000-4-6 / GB/T 17626.6

- Disturbance Power Test for Voltage Dips, Short Interruptions, and Voltage Fluctuations Immunity: IEC 61000-4-11 / GB/T 17626.11

- Low-frequency Immunity Testing for Harmonics, Interharmonics, and Grid Signals: IEC 61000-4-13 / GB/T 17626.13

2. Testing Scope

- Household Appliances, Electrical Heating, Electric Tools: CISPR 14-1/2, EN 55014-1/2, GB 4343.1/2, AS/NZS CISPR 14.1/2

- Industrial, Scientific, and Medical Products: CISPR 11, EN 55011, GB 4824, AS/NZS CISPR 11

- Audio-Video, Information Technology, and Multimedia Products: CISPR 32/35, EN 55032, EN 55035, GB/T 9383, AS/NZS CISPR 20, AS/NZS CISPR 32

- Information Technology Products: GB 9254, GB/T 17618

- Lighting Products: CISPR 15, IEC 61547, EN 55015, EN 61547, GB/T 17743, GB/T 18595

- General Products in Residential, Commercial, and Light Industrial Environments: IEC 61000-6-1/3, EN 61000-6-1/3, GB 17799.3, GB/T 17799.1

- General Products in Industrial Environments: IEC 61000-6-2/4, EN 61000-6-2/4, GB 17799.4, GB/T 17799.2

- Uninterruptible Power Supplies (UPS): IEC 62040-2, EN 62040-2, GB 7260.2

- Electronic Products for Measurement, Control, and Laboratory Use: IEC 61000-4-3/GB/T 17626.3

- Medical Electronic Products: IEC 60601-1-2, EN 60601-1-2

- Maritime Navigation and Radio Communication Equipment and Systems: IEC 60945, EN 60945

- Security Products: IEC 60945, EN 60945 50130-4

3. Services

- EMC Single Test Facility Rental Service

- EMI, EMS Testing, and Report Issuance

- Global Certification Services, Obtaining Certification from Various Countries

- EMC Countermeasure Rectification Services

- EMC Consultation, Guidance, and Training for Product Design

- Consulting and Training on National Standards and Regulations

Wireless RF Laboratory

JJR's Wireless RF Laboratory has a highly efficient team of wireless communication engineers with extensive testing experience in Bluetooth, Wi-Fi, walkie-talkies, GSM/WCDMA/LTE, and more. The laboratory is equipped with wireless RF testing devices from internationally renowned brands such as R&S (Germany), Keysight (USA), and Aeroflex. We provide one-stop testing and certification solutions to help Chinese and foreign enterprises quickly gain access to global markets.

1. Service Projects

- Wireless Communication Product Testing According to European ETSI Standards, US FCC Standards, and Other National Standards

- Electromagnetic Compatibility Testing

- Specific Absorption Rate (SAR) Testing

- Electrical Safety and Health Protection Testing

- Providing Global Certifications such as FCC, ISED, RCM, MIC, SRRC, etc.

- Consultation and Training on National Technical Standards

2. Testing Capabilities

- Dynamic Frequency Selection (DFS) Testing

- Emission Spectrum Characteristics Testing

- Millimeter-Wave Wireless Product RF Testing

- Transmission Frequency and Phase Error Testing

- Adaptive Testing

- Radiated Emission Testing

- Radiated Emission Testing

- Receiver Adjacent Channel Selection Testing

- SAR Testing

- Receiver Signal Blockage Testing

- HAC Testing

- Receive Co-channel Suppression Testing

- Emission Power Testing (Conducted and Radiated)

- Receiver Intermodulation Suppression Testing

- Emission Power Testing for Adjacent and Sub-adjacent Channels

- Maximum Usable Sensitivity Testing

- Transmission Bandwidth Testing

- IoT Devices Testing (NB-IoT, LTE CAT-M1, LTE CAT 1)

3. Product Areas

- Short-range Wireless Remote Control Products: NFC, RFID, Bluetooth, Wi-Fi, LoRa, ZigBee, etc., with testing standards such as EN 300 220, FCC Part 15C.

- Broadcast Communication Products: AM/FM Radios, Wireless Microphones, etc., with testing standards like EN 303 345-1/2/3/4/5, FCC Part 73.

- Mobile Communication Products: 2G, 3G, 4G, 5G Products, with testing standards such as EN 301 511, FCC Part 22H/24E.

- TETRA Products: Walkie-Talkies, Repeaters, etc., with testing standards like EN 300 394, FCC Part 90.

SAR Laboratory

SAR (Specific Absorption Rate) refers to the rate at which electromagnetic waves are absorbed by the body. High electromagnetic radiation may affect human health. We offer SAR testing for mobile phones, walkie-talkies, Wi-Fi, Bluetooth, and other wireless communication devices to ensure products meet international safety standards.

Testing Standards: IEC/EN 62209-1, IEC/EN 62209-2, EN 50360, FCC Part 2.1093, etc.

Telecom Terminal Laboratory

We have a strong telecom testing engineering team and advanced testing equipment, providing certification services for telecom products, covering landline phones, cordless phones, digital phones, and other products, in compliance with North American, European, and Australian standards.

Testing Standards: FCC 68.318, TIA 968, ETSI EN 301 437, etc.

5G Mobile Communication Laboratory

As one of the earliest telecom testing laboratories in China, JJR Laboratory provides comprehensive testing and certification services for 5G NR products, supporting applications in emerging fields such as vehicular networks and the Internet of Things (IoT).

Testing Equipment: Includes the latest 5G testing systems from brands such as Keysight, Anritsu, and R&S (Germany).

Testing Scope: Vehicular Networks, IoT, Smart Homes, Smart Cities, etc.

Wi-Fi 6E Laboratory

Wi-Fi 6E extends into the 6GHz band, offering wider bandwidth and higher transmission rates. We provide global testing and certification services for Wi-Fi 6E products, helping customers’ products smoothly enter the global market.

Testing Requirements: Compliance with Wi-Fi 6E frequency band and certification requirements of various countries, such as the US 47 CFR Part 15.407, KDB 987594 D01, etc.