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Test-Um Test Set for Basic Telephone Work - Resi-Talker
Test-Um T9-LB300 Test Set for Basic Telephone Work - Resi-Talker
  • Tone and Pulse Dialing, Microphone Mute, Last Number Redial - 32 digits
  • Continuous Line Polarity Indication (TALK or MONITOR)
  • Electronic Ringer, Amplified Line Monitor for volume levels and so much more!
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