We sell GSM+CDMA Mobile phone, GSM+PSTN+CDMA FWT. FWP, VOIP PHONE,

GSM-FWT-PSTN Style No. GSM-FWT-PSTN-01 Features:
1. Support PSTN and GSM network
2.LCD display: Signal strength, battery volgage, telephone number, talk time
3. Menu operation.
4.Looking terminal, Locking SIM Card
5.Support DTMF to display Caller ID.
6.Flexiblely set Barred number
7.Choose outgoing route PSTN or GSM network
8.Support reversal polarity for billing (16khz and 12Khz is optional)
9.Indicating ring for new incoming call while one route is busy
10.Set up local area code
11.Support external 6v/4AH lead-acid battery
12.Self-Inspection and error report
13.Real-time clock
Technical Specification:
Application environment
Operating temperature: 0~+45C
Relative humidity: 10%~95%
Environment noise ¡60dB (A)
Atmospheric pressure 86~106kPa
GSM parameters
Frequency bands
850/900/1800/1900mhz
Frequency stability Receiver sensitivity -103dBm
SIM card Interface 3V
Antenna impedance 50¦¸
Line interface
AB line impedance 600¦¸
AB line loop current 25mA
AB line feeding 48V-4V (hang-up status)
Others
Adapter output: DC7.5V, 1.5A
Battery: 4Ah, 6V lead-acid battery (Full battery support 6-8 hours talk time or 72 hours standby status. The time is subject to local network)
Package:10pcs/Carton
Inside box Dimension:32*18.5*5.5 (cm) G.W.: 0.7kg
External carton Dimension:40*36*32 (cm) G.W. :8.0