The TCL 40 R 5G Dual SIM TD-LTE EU 128GB T771K (TCL T771) supports 4 GSM bands, 5 UMTS bands, 12 LTE bands, and 10 5G NR bands. See the tables below for details.

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Supported Frequency Bands (31)

GSM

Name Interface
850 GSM
900 (E-GSM) GSM
1800 (DCS) GSM
1900 (PCS) GSM

Supported GSM Protocols

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

UMTS

Name Interface
B1 (2100) UMTS
B2 (1900 PCS) UMTS
B4 (1700/2100 AWS 1) UMTS
B5 (850) UMTS
B8 (900 GSM) UMTS

Supported UMTS Protocols

Name Generation
UMTS 3G
HSUPA 3.5G
HSUPA 5.8 3.5G
HSUPA 11.5 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
B7 (2600) LTE
B8 (900) LTE
B20 (800 DD) LTE
B28 (700 APT) LTE
B32 (1500 L-band) LTE
B38 (TD 2600) LTE
B40 (TD 2300) LTE
B41 (TD 2500) LTE
B42 (TD 3500) LTE

Supported LTE Protocols

Name Generation
LTE 4G
LTE 100/50 4G
LTE 150/50 4G
LTE 300/50 4G
LTE 300/75 4G
LTE 300/100 4G
LTE 400/150 4G

5G NR

Name Interface
N1 (2100) 5G NR
N3 (1800) 5G NR
N5 (850) 5G NR
N7 (2600) 5G NR
N8 (900) 5G NR
N28 (700) 5G NR
N38 (2600) 5G NR
N40 (2300) 5G NR
N41 (2500) 5G NR
N78 (3500) 5G NR


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