... function modules: Low-power WiFi module High-power WiFi module Wireless 3G module (EVDO/WCDMA/TD-SCDMA) Performance: -high-density ... mobile phone. -Support remote software upgrade safely function. -Support dynamic IP address, LAN, Internet (ADSL and Cable Modem). -Network protocols: ... HTTP, TCP/IP, UDP, SMTP, PPPoE, DDNS, DNS, SNTP, DHCP, FTP, SNMP ...