Motorola Astro-Tac QRN4878A Simulcast Delay Board
This is a Motorola SDA (Simulcast Distribution Amplifier) model number QRN4878A. These cards get their 600 ohm audio from either a USCI [Universal Simulcast Controller Interface] or from a CSCI [Conventional Simulcast Controller Interface] In a conventional system the CSCI actually generates the PL or DPL and sums it with the transmit audio. The CSCI also pre-emphasizes and limits the transmit audio.
For Quantar and GTR8000
NOTE: If your order includes programming, please email us a request for our Programming Form after checkout. We will only program up to 16 channels and do not program for trunking systems.
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