Certainly looks possible with Baluns might even be get lucky by trying it direct ? :/
Will have to match up the shielding and ohmage but definitely possible.
I'll check the cable specs first before attempting this.
For reference :
http://www.satcure.co.uk/tech/amps.htm
http://lynxbroadband.com/ (probably expect rip off prices)
Probably see if the CCTV is the better route again will have to find out if this will work... One good thing is that it'll amplify 4xLNBs down a single cat5
http://www.cambion.co.uk/main/cctv_b...t5_network.htm
http://www.exico.com.au/cat5.php