... ² Industrial ARM9 CPU,200M² Support multi protocols , such as TCP/IP,UDP,ICMP,SMTP,HTTP,POP3,OICQ,TELNET,FTP ,SNMP ,etc ... mechanism, including online detect, auto redial when offline to make router always online² Support hardware and software WDT² Support intellectual mode ... temperature: -40~+85ºC² Humidity: 95% (unfreezing) CDMA2000 EVDO 3G Router for smart grid DVR,POS,Banking, ATM CCTV appliction-F