Etross-8848G

Etross-8848 is a GSM to Analog Converter(single port,insert 1 sim card only), the device can
produce a FXS line to allow a regular phone to be connected and used just like a local landline(PSTN) except your calls will go out the GSM network. This device can both receive and make calls. The main application is: Connecting the RJ-11 FXS line to connect Ordinary telephone set for voice call, to connect PBX for call extentions, to connect billing systems for public phone use, to connect VoIP gateway to realize VoIP call termination, to connect alarm system for security purpose, etc. It is not a VOIP gateway, nor a GSM+VOIP gateway, It is a GSM Fixed Wireless Terminal that produces a Analog FXS phone line.

Available 
GSM 900/1800Mhz dual band, employing Wavecom Q2303A, Q2403A Sim300W module to make;
GSM 900/1800/1900Mhz Tri-band, employing Sim300z module to make;
GSM850/900/1800/1900Mhz Quadband, employing Sim340z module to make.