AVM FRITZ!Box Fon WLAN 7140 Annex B. Bandwidth: 2.4 GHz. DSL connection type: ADSL, DSL specification: ADSL, ADSL2+ Annex B. Networking standards: 802.11b, 802.11g, Supported WAN type: ADSL, ADSL 2+, LAN. Data link protocols: Ethernet, Fast Ethernet, IEEE 802.11b, IEEE 802.11g, IEEE 802.11g++, VoIP protocols: SIP. Security algorithms supported: WEP, WPA, WPA2