... 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/ ... sepcification are available on demand. Cat 3 Alarm-Security Cable, Solid, Shielded, 22AWG, 2 Conductor, 100m/roll