1.high quality with competitive price 2. WIRELESS GSM/GPRS/CDMA MODEM 3.Send and receive voice, data Industrial designAluminum casingWireless access to internetBased on Wavecom module Q24 PlusWith TCP/IP stackOpen ATFlash memory 32MB, PSRAM 16MBInternet Services: PPP,TCP, UDP850/900/1800/1900MHZ3V SIM card slotDB9 RS232 interface..SIM Application ToolkitDouble tone multi-frequency function (DTMF) ...