The Garmin-Asus nuvifone M20 4GB supports 3 GSM bands and 2 UMTS bands. See the tables below for details.

This device accepts the following SIM types to connect to mobile networks:

Run a cross-reference compatibility check of this device on a specific network and country using the following links:



Supported Frequency Bands (5)

GSM

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

Supported GSM Protocols

Name Generation
CSD 2G
GPRS 2.5G
EDGE 2.5G

UMTS

Name Interface
B1 (2100 MHz) UMTS
B8 (900 MHz GSM) UMTS

Supported UMTS Protocols

Name Generation
UMTS 3G
HSDPA 3.5G
HSUPA 3.5G


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