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The Athesi M3 Black 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
B2 (1900 PCS) UMTS

Supported UMTS Protocols

Name Generation
UMTS 3G
HSDPA 3.5G


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