Teltonikas Industrial LTE Cat 1 Gateway Board TRB145 is equipped with RS485 Interface, Digital Inputs/Outputs and micro-USB port. TRB145 compact design makes this Gateway perfect for an application where a sole gadget must be remotely controlled over RS485 interface. TRB145 is engineered to be used in Industrial applications therefore it has a wide range of software features such as SMS control, Firewall, Open VPN, IPsec, RMS and FOTA support.