PRO-58 (200-0400) Specifications Faxback Doc. # 8569 Frequency Coverage.......................VHF Lo...........30-54............ ............................................................MHz*........... ......................................................................5 kHz ......................................................................steps .........................................VHF Hi.........138-174............ ............................................................MHz............ ......................................................................5 kHz ......................................................................steps .........................................UHF.............380-512........... .............................................................MHz........... ...................................................................12.5 kHz ......................................................................steps .............................................UNIT.......NOMINAL.......LIMIT Sensitivity..............................VHF Lo FM......MicroV...1.0....2.0 (20 dB S/N,..............................VHF Hi FM......microV...1.0....2.0 3 kHz dev.) .........................................UHF............microV...1.0....3.0 Squelch .................................at threshold...microV...1.0....4.0 Sensitivity .........................................at tight.......dB.......25......15 Selectivity..............................-6 dB..........kHz......+/-....+/- .................................................................10......14 .........................................-50 dB.........kHz......+/-....+/- .................................................................20......25 Spurious Rejection.......................VHF Lo at......dB.......50......40 .........................................40 MHz............................ (except primary image)...................VHF Hi at......dB.......50......40 .........................................154MHZ............................ .........................................UHF at 450 MHz....Not Specified... IF Rejection (10.7 MHZ).................................dB.......50......40 Modulation Acceptance....................EIA RS-024-A...kHz......+/-8..+/-5 Signal to Noise Ratio....................VHF Lo at......dB.......45......30 .........................................40 MHz............................ .........................................VHF Hi at......dB.......45......30 .........................................154 MHz........................... .........................................UHF at ........dB.......35......25 Residual Noise...........................Vol.Min.......microV....3........5 Scanning Speed.........................................Channels/.8.....6-10 .......................................................sec................. Scan Delay Time........................................sec.......2......1-3 Audio Output Power.......................THD 10%.......mW........800....500 Channels of Operation.......................................Any 10 channels ....................................................in any band combination Receiving System..................................Direct Key Entry Digital- ....................................................Controlled Synthesizer, ....................................................Superheterodyne 1st IF: ...................................................10.7 MHz 2nd IF:455 kHz Power Source.................................................120 V AC 60 Hz .......................................................(with AC-DC Adapter) Jacks..................................................Antenna and DC Power * 68-88 MHz for 20-9400.................................................... (RLR-10/29/93)