Otu ugboro nzikọrịta ozi nke ndị isi ọrụ telecom na mba dị iche iche gburugburu ụwa-2

6. India
Enwere isi ọrụ asaa na India (ewezuga ndị ọrụ mebere), ya bụ Bharat Sanchar Nigam Limited (BSNL), Bharti Airtel, Mahanagar Telephone Nigam Limited (MTNL), Reliance Communications (RCOM), Reliance Jio Infocomm (Jie), Tata Teleservices, na Vodafone Idea.
Enwere eriri ugboro GSM abụọ, ya bụ DCS1800 na EGSM900.
Enwere eriri ugboro abụọ WCDMA, ya bụ Band 1 na Band 8.
Enwere eriri ugboro 6 LTE, ya bụ: Band 1, Band 3, Band 5, Band 8, Band 40, and Band 41.

7. Canada
Enwere ngụkọta nke 10 isi ọrụ na Canada (ewezuga ndị ọrụ mebere), ya bụ: Bell Mobility/BCE, Fido Solutions, Rogers Wireless, Telus, Vid e otron, Freedom Mobile, Bell MTS, Eastlink, Ice Wireless, SaskTel.
Enwere eriri ugboro GSM abụọ, ya bụ GSM850 na PCS1900.
Enwere eriri ugboro WCDMA atọ, ya bụ Band 2, Band 4, na Band 5.
Enwere eriri ugboro abụọ CDMA2000, ya bụ BC0 na BC1.
Enwere eriri ugboro LTE 9, ya bụ: Band 2, Band 4, Band 5, Band 7, Band 12, Band 17, Band 29, Band 42, and Band 66.

8. Brazil
Enwere ndị isi ọrụ isii na Brazil (ewezuga ndị ọrụ mebere), bụ: Claro, Nextel, Oi, Telef ô nica Brasil, Algar Telecom, na TIM Brasil.
Enwere eriri ugboro GSM anọ, ya bụ: DCS1800, EGSM900, GSM850, na PCS1900.
Enwere eriri ugboro WCDMA anọ, ya bụ: Band 1, Band 2, Band 5, na Band 8.
Enwere eriri ugboro LTE anọ, ya bụ: Band 1, Band 3, Band 7, na Band 28.

9. Australia
Enwere ndị isi ọrụ atọ na Australia (ewezuga ndị ọrụ mebere), bụ Optus, Telstra, na Vodafone.
Enwere eriri ugboro GSM abụọ, ya bụ DCS1800 na EGSM900.
Enwere eriri ugboro WCDMA atọ, ya bụ: Band 1, Band 5, na Band 8.
Enwere eriri ugboro 7 LTE, ya bụ: Band 1, Band 3, Band 5, Band 7, Band 8, Band 28, and Band 40.

 

10. South Korea
Enwere ndị isi ọrụ atọ na South Korea (ewezuga ndị ọrụ mebere), ya bụ SK Telecom, KT, na LG UPlus.
Enwere otu band ugboro WCDMA, nke bụ Band 1.
Enwere eriri ugboro abụọ CDMA2000, ya bụ BC0 na BC4.
Enwere eriri ugboro 5 LTE, ya bụ: Band 1, Band 3, Band 5, Band 7, Band 8

11.Frequency band nkesa map nke ndị isi ọrụ na North America

Ụlọ nyocha BTF bụ ụlọ ọrụ nyocha nke China National Accreditation Service for Conformity Assessment (CNAS) kwadoro, nọmba: L17568. Ka afọ nke mmepe gachara, BTF nwere ụlọ nyocha ndakọrịta ikuku, ụlọ nyocha SAR, ụlọ nyocha nchekwa, ụlọ nyocha ntụkwasị obi, ụlọ nyocha batrị, nnwale kemịkalụ na ụlọ nyocha ndị ọzọ. Nwere ndakọrịta elektrọnik zuru oke, ugboro redio, nchekwa ngwaahịa, ntụkwasị obi gburugburu ebe obibi, nyocha ọdịda ihe, ROHS/REACH na ikike nnwale ndị ọzọ. BTF Testing Lab nwere ọkachamara na ụlọ nyocha zuru oke, otu ahụmahụ nke nnwale na ndị ọkachamara asambodo, yana ike dozie nsogbu ule dị mgbagwoju anya na asambodo. Anyị na-agbaso ụkpụrụ nduzi nke "ikpe ziri ezi, adịghị ele mmadụ anya n'ihu, izi ezi na ike" ma na-agbasochi ụkpụrụ nke ISO/IEC 17025 ule na calibration laabu management system maka njikwa sayensị. Anyị na-agba mbọ ịnye ndị ahịa ọrụ kacha mma. Ọ bụrụ na ị nwere ajụjụ ọ bụla, biko nweere onwe gị ịkpọtụrụ anyị n'oge ọ bụla.