Unistrand ctf125 coaxial riser backbone cable 100m unistrand 3249 p the unistrand ctf125 is a broadband low loss coaxial cable that meets the european standard bs en50117 the unistrand ctf125 has been designed to offer ideal electrical parameters for the reception of digital tv either via satellite or terrestrial transmissions recommended for use in installation for the reception of both sky and other digital analogue tv providers p p in addition these cables may be suitabl