Cellbox GF380

1 Port GSM, GF18Xxxx is a Fixed Wireless Terminal with clear voice, has some features below. GSM 850MHz 900MHz 1800MHz 1900MHz / CDMA 450MHz 800MHz 1900MHz( Optional) Standard PSTN FXS with RJ-11 to telephone or voip gateway & PABX 400-500Hz Dial-tone and Busy-tone , Disconnect Tone 50V in idle and 75V in ringing and 9-12V in talking DTMF detector in RJ-11 Provide reverse polarity Caller ID ( DTMF, after ONE Ring) to telephone or voip gateway or PABX Caller ID ( FSK) to telephone or voip gateway & PABX( Optional) One Number Unified( Optional) CLIR( Calling Line Identification Restriction) Separate Power On/ Off controller LED indicating Hook On/ Off, Talking, Signal Intensity, Power On/ Off Setable dialing delay time Setable automatic dialing( Opertional) Support to dial all number including of * # ( Opertional) DTMF Automaticly dialing to GSM , to voip gateway , PABX( Optional) SPK & MIC volume regulate( Optional) Provide accumulator charger interface ( Optional) Multiparty Calling teleconference ( Optional) Setable Maxim talking time to warn of exchanger card ( Optional) 4SIM Rotator Automaticly( Optional) IMEI changing ( Optional) Rasio Bases Changing Automaticly to simulate movement( Optional) Simple to install and easy to maintain Steady module & reliable design ensures good performance Strong signals with high gain antenna No noise & Clear voice Suitable for wide voltage range & Low power consumption Suitable for all kinds of weather & environment Offer keypad command sets to define functions Offer web sets to define functions remotely( Optional) .