Alpha A-4220 20 Unit Area of Rescue Master Station/Audio

20 Unit Area of Rescue Mas-Aud Requires BB-43 Flush Back Box. Used with #4201B/V or 4201B/VM Call-In Remote Stations.The 4200 Series Is Designed To Accommodate Up To 44 Remote Locations For Each Master Station. The Smallest Master Station Is A 4-Unit And The Capacities Increment In Groups Of 4 To A Maximum Of 44 (Or More With Custom-Sized Masters). Master And Remote Stations Are Made Of Rugged Stainless Steel And Anodized Aluminum. Master Stations Emit A Loud, Clear Tone Signal That Commands An Immediate Response.

• Ada Compliant (In Many States - Check With You Local Ahj'S)
• Clear 2-Way (Simplex) Voice Communication
• Hands-Free Voice Reply From Remote Station(S)
• Supervised
• Choice Of Standard Or Anti-Vandal Remotes
• Choice Of Indoor Or Outdoor Remotes
• Battery Back-Up (Optional)
• Choice Of Master Stations
• Choice Of Ada Compliant Signage Available
• Remotes Mount Into Standard Electrical Boxes
• Simple To Wire