|Operating Temperature||-35 Degree C to 75 Degree C|
|Serial Interface||1x RS232, 1x RS485(Option)|
TR321 Series Router is a type of compact industrial cellular router, which adopts high-powered industrial 32-bits CPU, with multi-layer software detection and hardware protection mechanism to ensure reliability and stability of the device. It supports worldwide carrier 4G/3G/2G cellular network FDD-LTE, TDD-LTE, and WCDMA, EVDO, TD-SCDMA, EDGE, CDMA 1X and GPRS. With rich VPN protocols(IPSEC, PPTP, L2TP, GRE, OpenVPN) to ensure the security of data transmission, and rich interfaces, such as RS232, RS485(Option), Ethernet Port, I/O(Option), GPS(Option) and WIFI(Option).