Check the listing for details. Rolls RS81B Digital Quartz AM/FM Tuner with Remote. Condition: New. Listed at 319.00 USD. The Rolls RS81B Quartz PLL Synthesized AM/FM Tuner is a single rack space Phase Lock Loop digital AM/FM Tuner designed and built for professional applications such as remote radio station trucks and repeaters, church and school installations, as well as nightclubs and restaurants.FeaturesStore up to 30 AM and FM stationsRDS (Radio Data System) displayRetains presets when power is offLarge LCD digital displayAuto search functionSpecificationsTuning Range: 87.5-108MHz3 dB Limiting: 12dBImage Rejection: 53dBUsable sensitivity mono IHF: 9dBSelectivity: (-70KHz : +90KHz)S/N Ratio at 1 mV Mono: 52dBStereo: 50dBTHD at 1 mV 40 kHz deviation: 0.18%Stereo Separation: 28dBAuto Scan Sensitivity: 23dBAM Suppression Mod: 52dBAntenna Input Impedance: 75 OhmsAM SECTION:Tuning Range: 530 - 1710 kHz (10 kHz increm.)522 - 1611 kHz (9 kHz increm.)IF Frequency: 450KHzUsable Sensitivity: 28dBAuto Scan Sensitivity: 41dBS/N Ratio at 5 mV/M: 46dB6 dB Bandwidth: 7KHzImage Rejection: 42dBA.C.A. +/- 9 kHz: 46dBAGC Action: 43dBTHD at 5mV/M: 0.40%Antenna Input Impedance: 300 OhmsSize: 19” x 1.75” x 7”Weight: 7.1 lbs. (3.2 kg)