... Cat 3 Alarm-Security Cable, Solid, Shielded, 22AWG, 2 Conductor, 100m/roll for smoke detector for intruder alarm/ telecom system ... Cat 3 Alarm-Security Cable, Solid, Shielded, 22AWG, 2 Conductor, 100m/rollspecification:Inner conductor:7 strands 0.2mm, Tinned copper bare copper CCA ... Packing:100m per spool or as your request.Opion: Solid conductor, FR sheath, other sheath color are avaiable and other ...