Modern Paging with RAD

March 2, 2018
Viking Electronics Inc.'s remote access device has an optional security code that prevents misdials or unauthorized access of your paging system.

Allowing users to bring their existing paging system into the modern realm of VoIP/SIP and mobile telecom applications is the RAD-1A remote access device. It is a ring-trip paging device that will answer an incoming phone call and convert that audio into a 600 Ohm output compatible with most paging amplifiers in use today. An optional security code prevents misdials or unauthorized access of your paging system.


A multitude of analog phone line emulators are compatible with the RAD-1A. Cellular-to-analog adapters may be used, or use an FXS port on an ATA to connect hosted and on-premise VoIP/SIP phone systems. CO lines and analog PABX extensions can also be used.


Once a user connects with the RAD-1A, on-board relay contacts can activate the attached paging amplifiers. After the page, the RAD-1A will disconnect on CPC, busy signal, or return to dial tone. User-programmable silence time-out or call-length time out will also trigger a disconnect once the timer has expired.

  • Power: Telephone Line Powered (24VDC / 20mA)
  • Dimensions: 5.25 x 3.5 x 1.75 in. (133mm x 89mm x 44mm)
  • Shipping Weight: 0.9 lb. (0.41 kg)
  • Operating Temperature: 32° to 90°F (0° to 32°C)
  • Humidity: 5 to 95% non-condensing
  • Relay Contact Ratings: 1A @ 30VDC / 0.5A @ 125VAC, 250VAC maximum
  • Audio Loss (through unit): 1dB
  • Connections: (2) RJ11 modular jacks, (7) cage clamp screw terminals



  • Status LED turns on when the unit is active and brightens to indicate the presence of audio
  • Programmable 6 digit security code
  • Programmable 6 digit access code
  • Separate 600 Ohm audio and telephone line outputs
  • Disconnects on CPC, call time out, silence time out, busy or by dialing #7
  • Programmable 2 hour call timer
  • Programmable 1-99 second silence timer
  • Alternate screw terminal connection for phone line out
  • Connects phone line to the 600 Ohm input / output of one-way paging amplifiers, digital announcers and other audio programs
  • Relay contacts available for systems that need a dry contact closure (activate whenever the unit’s output is active)
  • Non-volatile memory, no batteries required