Guardian Telecom’s PTR Handset Amplifier Replacement Modules are designed to deliver a safe, reliable, and cost effective solution for industries that require additions, repairs or replacements to their existing Page/Talk paging and communication systems.

Compatible with both single and multi-line Guardian Page/Talk stations, allows end users to protect their original system investment by replacing failed or aged units on the fly without even having to power down the entire communication system.

In addition to Amplifier & Handset Amplifier Page Station replacement modules, complete Guardian Page/Talk stations can be implemented into current expanding third-party systems, offering clients continued usage of present systems while benefiting from Guardian Telecom’s Page/Talk station features and quality.

Product Features

  • Curly handset Cord
  • Push-to-Page button on handset
  • Noise canceling microphone
  • Compatible with both single and multi-line Guardian Page/Talk stations
  • Magnetic hook switch provides maximum durability
  • Off hook status LED indicator
  • Ease of installation with Amphenol quick connector
  • Power supply 24 VDC or 24/120/230 VAC (specify when placing order)
  • Corrosion protected and powder coated faceplate
  • Captive screws for ease of installation
  • Ambient noise sensor monitors and adjusts speaker volume automatically (models P5500 & P5501)
  • Service temperature range from -40˚ to +140˚F (-40˚ to +60˚C)
  • Four models to select from
    • PTR – Amplifier module, ambient noise sensor on faceplate – Order number: P5500
    • PTR – Amplifier module, ambient noise sensor on faceplate, headset connector receptacle* – Order number: P5501
    • PTR – Amplifier module – Order number: P5502
    • PTR – Amplifier module, headset connector receptacle* – Order number: P5503

*Not for use in Hazardous Areas


  • Speaker volume output (adjustable from front panel)
  • Microphone gain
  • Receiver level adjustment
  • Side tone adjustment
  • Ambient noise level sensor (optional)