Profile: Radio Relay is a communications company, specializing in all forms of two way radio communications covering ITV TV studios, police, fire brigade, and local authorities, as well as small private companies. We provide door signs, in-cab CCTV, car alarms, plate holders, phone kits, and stationery. We also offer AI606 - category 1 high specification alarm / immobilizer system. It includes auto lock / unlock with ignition, smart multi-color LED, digital link self powered siren, noise control, interior sensor exclusion facility, intrusion attempt alert, activated zone indication, pre-warn facility, and secure PIN override.