1. Wireless earphone
Wireless earphone is a device that allows you to listen to audio or make calls without wires or cables. There are three common types of wireless earphones: Bluetooth, infrared and RF (radio frequency).
![Wireless Headphones](https://gtggroup.com/wp-content/uploads/wireless-headphones.png)
![TWS Earbuds](https://gtggroup.com/wp-content/uploads/tws-earbuds.png)
![Neckband](https://gtggroup.com/wp-content/uploads/neckband.png)
Wireless Headphones
TWS Earbuds
Neckband
2. Preparing for global market access
We provide full compliance testing for prototype or finished electrical/electronic products, and also obtain regulatory certifications recognized both domestically and internationally. Our goal is to certify your products and ensure their compliance with regulatory standards in order to help you access worldwide markets.
- CB Certification;
- IEC Certification;
- IPv6 Certification;
- …
- FCC Certification;
- FCC ID;
- FCC SDoC;
- UL Certification;
- ETL Certification;
- CITA Certification;
- …
- CE Certification;
- CE EMC Certification;
- CE RED Certification;
- CE LVD Certification;
- …
- CCC Certification;
- SRRC Certification;
- CQC Certification;
- NCC Certification;
- BSMI Certification;
- OFCA 认证;
- …
- ISED Certification;
- ICES认证;
- NRCan Certification;
- CSA Certification;
- …
- PSE Certification;
- TELEC Certification;
- MIC认证;
- VCCI Certification;
- METI Filing;
- …
- KC Certification;
- KCC Certification;
- MEPS Certification;
- …
- NOM Certification;
- IFETEL Certification;
- …
- UKCA Certification;
- …
- BIS Certification;
- WPC Certification;
- TEC Certification;
- …
- RCM Certification;
- SAA Certification;
- …
- ICASA认证;
- SABS CoC Certification;
- …
- NBTC认证;
- TISI Certification;
- …
- FAC Certification;
- FSS Certification;
- …
- ENACOM Certification;
- …
- ANATEL Certification;
- …
3. EMC testing capabilities, testing standards, lab configurations
- 传导发射(CE)测试;
- 10m辐射发射(RE)测试;
- 3m辐射发射(RE)测试;
- 进行抗扰度测试;
- 辐射抗扰度测试;
- 静电放电(ESD)测试;
- 电快速瞬变(EFT)测试;
- 电压骤降和中断测试;
- 磁场抗扰度测试;
- 浪涌测试;
- 谐波和闪烁测试;
- …
- IEC: IEEE standard;
- European: ETSI EN 300 220; ETSI EN 300 440; ETSI EN 300 328; ETSI EN 301 357; ETSI EN 301 511; ETSI EN 301 489;
- America: FCC Part 15C; RSS-210; RSS-310;
- Australia: AS/NZS 4268; AS/CA S042.1; AS/CA S042.2; AS/CA S042.3; AS/CA S042.4;
- China: MIIT 2021 No. 129; MIIT 2002 No. 353; MIIT 2002 No. 277; MIIT 2005 No. 423; MIIT 2009 No. 137; YD/T1214-2006; YD/T15-2006;
- Korea: Radio Waves Act;
- Japan: Radio Regulatory Commission Regulations No. 18;
- …
- Conducted emissions (CE): three-phase 380V/200A;
- 3m radiated emissions (RE): single-phrase/three-phase 32A;
- 10m radiated emissions (RE): three-phase 380V/200A, DC 1000V/200A;
- Conducted immunity fieldstrength: 15 V/m;
- Radiated immunity fieldstrength: 20 V/m;
- ESD: ±30 kV;
- Surge: 8 kV;
- …
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4. RF testing capabilities, testing standards, covered frequency
- Transmitter tests;
- Output power;
- Transmit power control (TPC);
- 适应性;
- Adjacent channel leakage power ratio;
- Power spectral density;
- Spectrum emission mask;
- Occupied channel bandwidth;
- Frequency stability / error;
- Conducted band edge;
- Radiated band edge;
- Duty cycle;
- Modulation bandwidth;
- Transmitter unwanted emissions in the out-of-band or spurious domain;
- Receiver tests;
- 灵敏度;
- Adjacent channel / Frequency band selectivity;
- Receiver spurious emissions;
- Receiver intermodulation;
- Receiver blocking;
- Antenna conducted spurious emission;
- …
- Europe: ETSI EN 300 220; ETSI EN 300 328; ETSI EN 300 330; ETSI EN 300 440; ETSI EN 301 357; ETSI EN 301 489; ETSI EN 301 511; ETSI EN 301 893; ETSI EN 303 417; ETSI EN 301 893-1/-2/-13;
- America: FCC Part 15C/15E; FCC Part 22/24/27; RSS 247/248/210/216/132/133/130/139/199;
- Australia: AS/NZS 4268; AS/CA S042.1; AS/CA S042.2; AS/CA S042.3; AS/CA S042.4;
- China: MIIT 2021 No. 129; MIIT 2002 No. 353; MIIT 2002 No. 277; MIIT 2005 No. 423; MIIT 2009 No. 137; YD/T1214-2006; YD/T15-2006;
- Korea: Korea: Radio Waves Act;
- Japan: Radio Regulatory Commission Regulations No. 18;
- …
- Bluetooth (BT/BLE);
- Short range wireless communication used in SRD, such as 433 MHz…;
- Wi-Fi 2.4 GHz;
- Wi-Fi 5 GHz, including dynamic frequency selection (DFS) radar;
- Wi-Fi 6E 8*8 MIMO (multiple-input and multiple-output);
- Wi-Fi 7 16*16 MIMO (multiple-input and multiple-output);
- Cellular frequencies: 2/3/4G SISO (single-input and single-output);
- …
点击图片查看更多!如果您有兴趣参观我们的现场实验室,请 填写我们的简短表格,我们很乐意安排酒店和一切!
5. Safety testing standards
- 输入测试;
- Energy hazards;
- 工作电压测试;
- High voltage test (Dielectric withstand test / High potential or hipot test);
- Overload test;
- 放电测试;
- 接触电流测试;
- 漏电流测试;
- Limited current circuit test;
- 绝缘电阻(IR)测试;
- 接地连续性测试;
- 恒温恒湿试验;
- 温升测试;
- 稳定性测试;
- 球压测试;
- 振动测试;
- 冲击试验;
- 跌落测试;
- Cursh test;
- 模具应力消除测试;
- …
- IEC: IEC 62368-1;
- Europe: EN 62368-1;
- America: UL 62368-1;
- Australia: AS/NZS 62368.1;
- China: GB 4943;
- Korea: KC 62368-1;
- Japan: J62368-1;
- …
点击图片查看更多!如果您有兴趣参观我们的现场实验室,请 填写我们的简短表格,我们很乐意安排酒店和一切!