Function 1, wirelesses receive and send email 2, wireless view internet 3, wireless data transport 4, move working and administrator 5, construct enterprise big customers move data and vpn appliance Sound communication 6, Chinese SMS message receive and group send 7, Use AT command to control for long-distance 8, Talk or call urgently 9, the fastest speed down row 230.4K, up row 84.6K 10, Sound code method: 13K QCELP (IS-733), 8K EVRC (IS-127) 11, Message service (IS-637- A): support English letter and Chinese, supply edit message content: Word and PDU 12, Point to point