omplies with draft 2.0 of 802.11n specification 12 x speed of wireless-g, 4 x range of wireless-g advanced spi firewall 1 wan 10/100 ethernet port 4-port 10/100 switch backwards compatible with 802.11g and 802.11b (2.4ghz) standards wep and wi-fi protected access (wpa) and wpa2 security upnp able/cert : able security features : wep, wpa, wpa2 security key bits : 128-bit, 256-bit dimensions : 202 x 34 x 160 mm weight : 0.38 kg * internet-sharing router and 4-port switch, with a built in speed & range enhanced wireless access point * mimo technology uses multiple radios to create a robust signal that travels farther and reduces dead spots * much faster than wireless-g, but also works great with wireless-g and -b devices * wireless signals protected by wireless encryption, and network protected from internet attacks by a powerful spi firewall