... 900/1800 MHz 4.internet, SMS, data WIRELESS USB MODEM,GPRS modem,CDMA modem, HSUPA modem, Wireless modem,RS232 MODEM, ... , RS232 WIRELESS GSM/GPRS MODEM, SMS GSM MODEM, huawei gsm modem,, sms module, gsm modem at command, wavecom wireless modem, sim ... .5APower range: DC 5~35V Wireless moduleHigh-powered industrial GPRS module Size91x58.5x22 mm Weight630 gWorking conditionOperation temperature:-25~+65 ...