3G / UMTS / HSPA

3G / NextG cellular networks offer higher data speeds with simultaneous voice and high-speed data.  Main M2M applications include video surveillance, back-up for corporate routers, mobile broadband in vehicles... but network coverage and longevity are also important factors.

3G Networks and Operating Frequencies in Australia and NZ 

Optus 
900/2100 Mhz
Vodafone and "3"
900/2100 Mhz
Telstra NextG
850/2100 Mhz
Vodafone NZ
900/2100 Mhz
Telecom NZ
850 Mhz
HSDPA - High Speed Downlink offering peak downlink speeds up to 7.2Mbps
HSUPA - High Speed Uplink offering peak uplink speeds up to 5.78 Mbps
HSPA - High Speed Packet Access offering combined downlink/uplink speeds
HSPA+ - HSPA with higher downlink speeds up to 21 Mbps
Dual Channel - 2 HSPA+ links offering peak 42Mbps downlink speeds
LTE - 3GPP Release 8 will support downlink speeds up to 300 Mbps (category 5)