The Oppo Realme 9i 2022 Premium Edition Dual SIM TD-LTE IN V1 128GB RMX3491 (BBK R3491) supports 4 GSM bands, 3 UMTS bands, and 7 LTE bands. See the tables below for details.

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Supported Frequency Bands (14)

GSM

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

Supported GSM Protocols

Name Generation
GPRS 2.5G
EDGE 2.5G

UMTS

Name Interface
B1 (2100) UMTS
B5 (850) 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)
HSPA+ 42.2 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
B38 (TD 2600) LTE
B40 (TD 2300) LTE
B41 (TD 2500) LTE

Supported LTE Protocols

Name Generation
LTE 4G
LTE 100/50 4G
LTE 150/50 4G
LTE 300/50 4G
LTE 450/50 4G
LTE 600/50 4G


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