gsm /cdma fixed wireless terminal

01) GSM 850MHz 900MHz 1800MHz 1900MHz  
nbsp; CDMA 450MHz 800MHz 1900MHz
02) Standard PSTN FXS with RJ-11 to telephone or voip gateway & PABX03) 400-500Hz Dial-tone and Busy-tone , Disconnect Tone
04) 50V in idle and 75V in ringing and 9-12V in talking
05) DTMF detector in RJ-11
06) Provide reverse polarity
07) Caller ID (DTMF,after ONE Ring) to telephone or voip gateway or PABX Caller ID (FSK) to telephone or voip gateway & PABX(Optional)
08) One Number Unified 
09) CLIR(Calling Line Identification Restriction)
10) Separate Power On/Off controller
11) LED indicating Hook On/Off,Talking,Signal Intensity,Power On/Off
12) Setable dialing delay time
13) Setable automatic dialing
14) Support to dial all number including of * #
15) DTMF Automaticly dialing to GSM , to voip gateway , PABX(Optional)16) SPK & MIC volume regulate
17) Provide accumulator charger interface (Optional) 
18) Multiparty Calling teleconference (Special Optional)
19) Setable Maxim talking time to warn of exchanger card (Special Optional)
20) 4SIM Rotator Automaticly (Special Optional)
21) IMEI changing (Special Optional)
22) Rasio Bases Changing Automaticly to simulate movement (Special Optional) 
23) Simple to install and easy to maintain
24) Steady module & reliable design ensures good performance
25) Strong signals with high gain antenna
26) No noise & Clear voice
27) Suitable for wide voltage range & Low power consumption
28) Suitable for all kinds of weather & environment
29) Offer keypad command sets to define functions