The BBK Vivo X50 4G Dual SIM TD-LTE V2 ID 128GB 2004 (BBK 2004) supports 2 GSM bands, 2 UMTS bands, and 5 LTE bands. See the tables below for details.

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Supported Frequency Bands (9)

GSM

Name Interface
900 (E-GSM) GSM
1800 (DCS) GSM

Supported GSM Protocols

Name Generation
GPRS 2.5G
EDGE 2.5G

UMTS

Name Interface
B1 (2100) UMTS
B8 (900 GSM) UMTS

Supported UMTS Protocols

Name Generation
UMTS 3G
HSUPA 3.5G
HSUPA 5.8 3.5G
HSDPA 3.5G
HSPA+ 21.1 3.5G (4G speed)
DC-HSDPA 42.2 3.5G

LTE

Name Interface
B1 (2100) LTE
B3 (1800 +) LTE
B5 (850) LTE
B8 (900) LTE
B40 (TD 2300) LTE

Supported LTE Protocols

Name Generation
LTE 4G
LTE 100/50 4G
LTE 150/50 4G
LTE 300/50 4G


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