The T-Mobile BlackBerry Curve 9315 (RIM Armstrong) supports 4 GSM bands and 2 UMTS bands. See the tables below for details.

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Supported Frequency Bands (6)

GSM

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

Supported GSM Protocols

Name Generation
CSD 2G
GPRS 2.5G
EDGE 2.5G

UMTS

Name Interface
B1 (2100) UMTS
B4 (1700/2100 AWS 1) UMTS

Supported UMTS Protocols

Name Generation
UMTS 3G
HSDPA 3.5G
HSUPA 3.5G


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