Our  FWT meets to the China National Communication Standards YD/T884-1996. It also accord with the Europe Communication Standards. It is permitted to use in GSM/CDMA network.   GSM/CDMA network is a worldwide cellular technology used communication system. The FWT can be used in different countries’s GSM/CDMA network. You can make calls and receive calls with the FWT ,the same as using PSTN phone.

FUNCTION
1) GSM 850MHz 900MHz 1800MHz 1900MHz  CDMA 450MHz 800MHz 1900HMz
2) standard RJ-11 to telephone or voip gateway & PABX
3) 450Hz Dial-tone and Busy-tone
4) 50V in idle and 75V in ringing and 9-12V in talking
5) DTMF detector in RJ-11
6) precise reverse polarity
7) caller id (DTMF,ONE RING) to telephone or voip gateway & PABX caller id (FSK) to telephone or voip gateway & PABX(Optional)
8) CLIR(Calling Line Identification Restriction)
9) single-handed power switch
10) LED indicating Hook On/Off,Talking,signal intensity,Power On/Off
11) set dialing delay time
12) talking DTMF Automatic dialing to GSM & to voip gateway & PABX(Optional)
13) SPK & MIC volume regulate
14) Simple to install and easy to maintain
15) Steady module & reliable design ensures good performance
16) Strong signals with high gain antenna
17) No noise & Clear voice
18) Suitable for wide voltage range & Low power consumption
19) Suitable for all kinds of weather & environment
20) Offer keypad command sets to difine functions