The Draytek 2820N router is compatible with both ADSL/ADSL2+ and cable technologies. The router has dual WAN ports which enable the support of ADSL and Cable. In addition to this the router also support 3G modem technology. The Gigabit port on the router provides a faster link where needed be that to a gigabit switch or to a server on the network. The N model support 802.11n Draft 2.0 Wireless LAN which provides greater coverage and resilience to interference compared to previous wireless standards thanks to the MIMO technology and the Vigor's triple-antennae diversity arrangement.