Quote:
Originally Posted by inquisitor
UMTS 850 is only used by Telstra. Amaysim however is based on Optus' network, which runs GSM at 900 and 1800 MHz and UMTS at 900 and 2100 MHz.
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Then Telsatra is the network to choose. My parents were travelling down under frequently and outside big towns there is only UMTS850 and CDMA network coverage. No sign of 900/1800 GSM, sometimes for hundrets of kilometers along the main highways...