... to internetBased on Wavecom module Q24 PlusWith TCP/IP stackInternet Services: PPP,TCP, UDPNo FTPOpen ATFlash memory 32MB, PSRAM 16MB850 ... SIM card slotSIM Application ToolkitRS485 interface:PIN 1 for 485+BPIN 2 for 485 -ADouble tone multi-frequency function (DTMF ... , RS485 cable, antenna, 2 mounting plates, CD Specification for dataGPRS Class 10 max.85.6kbps(downlinkPBCCH supportCoding schemes CS ...