Origin	China
Model Number	VD500
Interface Type	USB

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 &English 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

Work parameter

1, Model ??/span>VD500

2.Exterior Size??/span>69.5(L)*45(W)*12.4(H)MM

3, Interface:      USB2.0

4, Wireless Frequency: 800MHZ            

 Transmit RF: 824 to 849MHZ

                 Receive RF??/span>869 to 894MHZ

5, Receiving Sensitivity:  -106dbm

6, Storage Temperature:  -30 to +70

7, Operating Temperature:  -20 to +60

8, Relative Humidity:       5-85%RH

9, Work Voltage:        3.0V-3.6V

10, Work Current:  Send520MA (MAX)

                              Receive150MA (MAX)

                             Dormancy18MA (MAX)

11, Support Protocol: CDMA2000 1X*RTT, IS707-A, FCC IS-95A compatible

12, Operating System:  Windows 2000/XP/VISTA