For expanded radio listening and additional multi-zone functionality, the ACD-AMFM tuner expansion card provides more listening choices. Equipped with RDS Radio Data System, the ACD-AMFM tuner module supports broadcast programming type, song and artist information and other station-specific info. The Plug-And-play module slides into any of the TU-604CI expansion slots, and each module features 56 stations memory along with automatic preset learning function, preset skip as well as station renaming. The sensitive tuner pulls in stations loud and clear, and the card features separate “F-type” 75 ohm threaded coaxial connector for FM reception, and 300 ohm balanced input for AM reception. The TU-604CI multi-zone tuner comes with two AM/FM tuner cards pre-installed – simply add additional tuner cards to expand the radio listening choices for deluxe whole-house music distribution systems.