l Adopt high grade industrial wireless module. l Support 3G(WCDMA/CDMA/TD-SCDMA),4G(FDD-LTE/TD-LTE). l Adopt metal case, IP30 protection grade. l Wide voltage and current input: DC6-35V/3A; l Anti-reverse power connection protection, surge protection, ESD protection . l Software and hardware watch dog design, support anti-crash functions. protect equipment work stable and reliable. l Automatic detection when network disconnects, automatically restart when dialing fails, scheduled reboot etc. l Serial transparent transmission function, It can access to order control mode by serial port , control router and other equipment . l SMS control dialing , offline and restart function l Support socket server and customer end mode. l Support different types of DDNS service. l Port mapping ,DMZ host function l Support VPN, PPTP client,L2TP client l Support ads pushing function by customer end verification. | 
