... is a more excellent Wireless Router using the test ARM hardware platform and Linux system. DLK-R350 CDMA Router, using ... using PPTP/IPSec VPN technology, enterprise-class VPN tunnels and firewall technology to meet high data security demand; ---Standard industrial ... , UDP, TELNET, FTP, HTTP and other network protocols; ---Excellent firewall, support IP and MAC address binding, virtual host, port mapping ...