... and function mainly depend on Module Wavecom Q2406 dual band 900/1800Mhz,support SMS,MMS,FAX,WEB,TCP/IP ... ,WEB,TCP/IP,OPEN AT Siemens MC37i dual band 900/1800Mhz,support SMS,MMS,FAX,WEB,JAVA ... can be integrated wit Serial 16Each channel with separate power switchEach individual module can be demolishedIndustrial chassis, elegant ... q2403 Broadband 16ports GSM modem shenzhen xinlinuo Technology Co., Ltd.