afaik you get....
options 1,2,3
bt voyager 2091, wireless, usb, 1 ethernet port
option 4 with free btbroadband voice,
bt voyager 2500v, wireless, usb, 4 ethernet ports, voip only compatible with btbroadband voice
the only info i can find about these routers online is on listings on very famous auction websites....
i have the 2500v and it's solid as a rock except i'm not using wireless so i have no ideas about it's range.
not sure about the 2091 but i know my 2500v supports wpa-psk, wpa2 etc. of course you need a wireless adapter to match those same specs.