Network Type: CDMA2000 1x    450MHz
High-quality voice effect: 8 kbps EVRC
Support SMS
CID(Caller Identification) 
Indoor/Outdoor antenna optional
Support R-UIM and ROM-SIM
Packet data services up to 153.6 kbps in both uplink and downlink.
Circuit data services up to 14.4 kbps.
Support PC fax
Support emergency call, call transfer, call forwarding, call waiting, call on hold, Three-Way Calling, etc.
Dual tone multi-frequency (DTMF) secondary dialing.
Volume adjustable 

Input voltage AC: 90 V–264 V
                             DC: 12 V DC, 0.5 A

Ambient temperature –10°C–55°C
Storage temperature –20°C–70°C
Relative humidity 5%–95%