Unidata Incom ICW-1000G Wireless SIP IP Phone - WiFi Dual band 2.4 and 5. MHz, for 82.11 a/b/g/n, now also supports HD voice (g.722) Enterprise wpa2 eap, psk. 82.1x (eap-md5, eap-ttls, peap, eap-tls). L2/l3 quick roam Light weight long lasting li-ion battery with 1+hrs talk or 14hrs standby, speaker, headset jack Powerful management capabilities, auto provisioning, programmable hot keys, 5 profiles, diagnostics Requires supported SIP Hosted Provider or SIP compatible PBX