... POS, water supply, environment protection, post, weather, and so on Design for Industrial Applicationa. High-powered industrial cellular module b. High ... CLI) High-performance Support multiple WAN access methods, including static IP, DHCP, L2TP, PPTP, PPPOE, 4G. LTE/ 3G/HSPA+ ... link speed statistics etc. Full protocol support, such as TCP/IP, UDP, ICMP, SMTP, HTTP, POP3, OICQ, TELNET, FTP, SNMP ...