AVM FRITZ!Box Fon WLAN 7170 - Wireless router - DSL - 802.11b/g - VoIP EXCL PSU
– S0 NT extension for ISDN phones or a PBX (only FRITZ!Box Fon 7170) ?. FRITZ!Box Fon WLAN 7170 with 4 LAN ports, 3 analog connections, S0 ISDN FXS and a USB host port. FRITZ!Box Fon WLAN in a nutshell.