The BBK Vivo U3 Premium Edition Dual SIM TD-LTE CN 64GB V1941A (BBK V1941) supports 3 GSM bands, 4 UMTS bands, and 10 LTE bands. See the tables below for details.

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Supported Frequency Bands (17)

GSM

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

Supported GSM Protocols

Name Generation
GPRS 2.5G
GPRS MSC12 2G
EDGE 2.5G
EDGE MSC12 2G

UMTS

Name Interface
B1 (2100) UMTS
B4 (1700/2100 AWS 1) UMTS
B5 (850) UMTS
B8 (900 GSM) UMTS

Supported UMTS Protocols

Name Generation
UMTS 3G
DC-HSDPA 42.2 3.5G
HSUPA 3.5G
HSUPA 5.8 3.5G
HSDPA 3.5G
HSPA+ 21.1 3.5G (4G speed)
HSUPA 11.5 3.5G

LTE

Name Interface
B1 (2100) LTE
B3 (1800 +) LTE
B4 (1700/2100 AWS 1) LTE
B5 (850) LTE
B8 (900) LTE
B34 (TD 2000) LTE
B38 (TD 2600) LTE
B39 (TD 1900 +) LTE
B40 (TD 2300) LTE
B41 (TD 2500) LTE

Supported LTE Protocols

Name Generation
LTE 4G
LTE 100/50 4G


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