Pita frekuensi komunikasi operator telekomunikasi utama ing macem-macem negara ing saindenging jagad-1

1. Cina
Ana papat operator utama ing China,
Yaiku China Mobile, China Unicom, China Telecom, lan China Broadcast Network.
Ana rong pita frekuensi GSM, yaiku DCS1800 lan GSM900.
Ana rong pita frekuensi WCDMA, yaiku Band 1 lan Band 8.
Ana rong pita frekuensi CDMA2000, yaiku BC0 lan BC6.
Ana rong pita frekuensi TD-SCDMA, yaiku Band 34 lan Band 39.
Ana 6 pita frekuensi LTE,
Yaiku: Band 1, Band 3, Band 5, Band 39, Band 40, lan Band 41.
Ana papat pita frekuensi NR,
Yaiku N41, N77, N78, lan N79, ing antarane yaiku N79 saiki ora digunakake.

2. Hong Kong, China
Ana papat operator utama ing Hong Kong, China (ora kalebu operator virtual),
Yaiku China Mobile (Hong Kong), Hong Kong Telecom (PCCW), Hutchison Whampoa, lan Smartone.
Ana rong pita frekuensi GSM, yaiku DCS1800 lan EGSM900.
Ana telung pita frekuensi WCDMA, yaiku: Band 1, Band 5, lan Band 8.
Ana siji pita frekuensi CDMA2000, yaiku BC0.
Ana papat pita frekuensi LTE, yaiku Band 3, Band 7, Band 8, lan Band 40.

3. Amerika Serikat
Ana total 7 operator utama ing Amerika Serikat,
Yaiku: AT&T, T-Mobile, Sprint, Verizon, US Cellular, C Spire Wireless, Shenandoah Telecommunications (Shentel).
Ana siji pita frekuensi GSM, yaiku PCS1900.
Ana rong pita frekuensi cdmaOne, yaiku BC0 lan BC1.
Ana telung pita frekuensi WCDMA, yaiku Band 2, Band 4, lan Band 5.
Ana telung pita frekuensi CDMA2000, yaiku BC0, BC1, lan BC10.
Ana 14 pita frekuensi LTE,
yaiku: Band 2, Band 4, Band 5, Band 12, Band 13, Band 14, Band 17, Band 25, Band 26, Band 29, Band 30, Band 41
Band 66, Band 71.

4. UK
Ana papat operator utama ing Inggris,
Yaiku: Vodafone_ UK, BT (kalebu EE), Hutchison 3G UK (Telung UK), O2.
Ana rong pita frekuensi GSM, yaiku DCS1800 lan EGSM900.
Ana rong pita frekuensi WCDMA, yaiku Band 1 lan Band 8.
Ana 5 pita frekuensi LTE, yaiku: Band 1, Band 3, Band 7, Band 20, lan Band 38.

5. Jepang
Ana telung operator utama ing Jepang, yaiku KDDI, NTT DoCoMo, lan SoftBank.
Pita frekuensi WCDMA ana 6, yaiku: Band 1, Band 6, Band 8, Band 9, Band 11, lan Band 19.
Ana rong pita frekuensi CDMA2000, yaiku BC0 lan BC6.
Ana 12 pita frekuensi LTE, yaiku: Band 1, Band 3, Band 8, Band 9, Band 11, Band 18, Band 19, Band 21, Band 26, Band 28, Band 41, lan Band 42.

BTF Testing Lab minangka lembaga pengujian sing diakreditasi dening China National Accreditation Service for Conformity Assessment (CNAS), nomer: L17568. Sawise pirang-pirang taun pembangunan, BTF duwe laboratorium kompatibilitas elektromagnetik, laboratorium komunikasi nirkabel, laboratorium SAR, laboratorium safety, laboratorium linuwih, laboratorium tes baterei, tes kimia lan laboratorium liyane. Nduwe kompatibilitas elektromagnetik sing sampurna, frekuensi radio, safety produk, linuwih lingkungan, analisis kegagalan material, ROHS / REACH lan kemampuan tes liyane. BTF Testing Lab dilengkapi fasilitas tes profesional lan lengkap, tim ahli tes lan sertifikasi sing berpengalaman, lan kemampuan kanggo ngatasi macem-macem masalah tes lan sertifikasi sing rumit. Kita netepi prinsip tuntunan "keadilan, ora mentingake, akurasi, lan kaku" lan kanthi ketat ngetutake syarat sistem manajemen laboratorium tes lan kalibrasi ISO / IEC 17025 kanggo manajemen ilmiah. We are setya kanggo nyedhiyani pelanggan karo layanan kualitas paling. Yen sampeyan duwe pitakonan, please aran gratis kanggo hubungi kita ing sembarang wektu.