... real time operating system. It supports RS232 (or RS485/RS422), Ethernet and WiFi port that can conveniently and transparently connect devices ... network, allowing you to connect to your existing serial, Ethernet and WiFi devices with only basic configuration. It has been ... when timeout Support APN/VPDN Support DHCP server and client, firewall, NAT, DMZ host, URL block, QoS, ttraff, statistics, real ...