RS485 GSM/GPRS Modem SIMCOM SIM900 Module GSM/GPRS Modem GSM/GPRS/GPS Modem Q24 Plus Module/Modem RS485 GSM/GPRS Modem Based on SIMCOM Q24 Plus Module Product description: ... +70 degreesSize:76*54*25mmWeight:100gAccessories: AC/DC adaptor, RS485 cable, antenna, 2 mounting plates, CD Specification for dataGPRS ... mode Specification for FaxGroup 3, class 1,2 RS485 GSM/GPRS Modem Based on SIMCOM Q24 Plus