Search results with tag "Frequency ringer"

Powerful Low Frequency Ringer & Paging Amplifier

Title: Algo 1825 Duet Plus Loud Ringer and Paging Amplifier Author: Rick Schellenberg Subject: The 1825 Duet Plus is a high performance low frequency loud ringer compatible with most business telephone systems in office and industrial applications.

  Frequency, Ringer, Frequency ringer