The main performance
Device type:Unicom 3 g card
Network type: 3 g HSDPA, UMTS 2 g, EDGE, GPRS, GSM
Network mode:Dual mode
Frequency range:HSDPA/UMTS: 2100 MHZ GSM/GPRS/EDGE: 850/900/850/900 MHZ
Data transfer rate:7.2 megabits per second
Bus interface:PCMCIA
