$39.98
See if it's really the one
Search with this product to compare it, find similar styles, or turn up something better before deciding.
Definity TN748/TN748C Tone Detector Circuit Pack The TN748 is equipped with four touch-tone receivers and two general purpose tone receivers to detect call progress tones, modem answer-back times, transmission test tones, and noise. Features Four touch-tone receivers Two general purpose ton receivers Provides dial tone detection for: Automatic Route Selection (ARS) Off-premises keyboard dialing Off-premises abbreviated dialing Replaced by TN2182B Tone-Clock, Tone Detector, and Call Classifier Includes Atlas 1-Year Warranty with Extended Warranty options available! Package Includes TN748/TN748C Tone Detector Card
Have a question about this?
We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2025
$39.98