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;
- Certificação IPv6;
- …
- 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;
- Certificação OFCA;
- …
- ISED Certification;
- Certificação CIEM;
- NRCan Certification;
- CSA Certification;
- …
- PSE Certification;
- TELEC Certification;
- Certificação MIC;
- VCCI Certification;
- METI Filing;
- …
- KC Certification;
- KCC Certification;
- MEPS Certification;
- …
- NOM Certification;
- Certificação IFETEL;
- …
- UKCA Certification;
- …
- BIS Certification;
- WPC Certification;
- TEC Certification;
- …
- RCM Certification;
- SAA Certification;
- …
- Certificação ICASA;
- SABS CoC Certification;
- …
- Certificação NBTC;
- TISI Certification;
- …
- Certificação FAC;
- Certificação FSS;
- …
- Certificação ENACOM;
- …
- ANATEL Certification;
- …
3. EMC testing capabilities, testing standards, lab configurations
- Testes de emissões conduzidos (CE);
- Teste de emissões radiadas (ER) de 10m;
- Testes de emissões radiadas (ER) de 3m;
- Realização de testes de imunidade;
- Testes de imunidade irradiada;
- Testes de descarga eletrostática (ESD);
- Testes de transitórios elétricos rápidos (EFT);
- Testes de quedas e interrupções de tensão;
- Testes de imunidade a campos magnéticos;
- Teste de surto;
- Testes de harmônicos e flicker;
- …
- 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);
- Adaptatividade;
- 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;
- Sensibilidade;
- 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);
- …
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5. Safety testing standards
- Teste de entrada;
- Riscos energéticos;
- Working voltage test;
- High voltage test (Dielectric withstand test / High potential or hipot test);
- Teste de sobrecarga;
- Teste de descarga;
- Teste de corrente de toque;
- Teste de corrente de fuga;
- Limited current circuit test;
- Teste de resistência de isolamento (IR);
- Teste de continuidade de terra;
- Teste constante de temperatura e umidade;
- Teste de aumento de temperatura;
- Teste de estabilidade;
- Teste de pressão de bola;
- Teste de vibração;
- Teste de impacto;
- Teste de queda;
- Cursh test;
- Teste de alívio de tensão do molde;
- …
- 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;
- …
Clique nas fotos para ver mais! Se você estiver interessado em visitar nossos laboratórios no local, por favor preencha nosso breve formulário, teremos prazer em providenciar o hotel e tudo mais!