PRO-27 20-Channel Programmable Scanner (200-0507) Specifications Faxback Doc. # 31205 Frequency Coverage: VHF-Lo and 10-Meter Amateur radio.............29-50 MHz (in 5 kHz steps) Ham...........................................50-54 MHz (in 5 kHz steps) Government..................................137-144 MHz (in 5 kHz steps) Ham.........................................144-148 MHz (in 5 kHz steps) VHF-Hi......................................148-174 MHz (in 5 kHz steps) Ham/Gov't................................406-450 MHz (in 12.5 kHz steps) UHF-Standard.............................450-470 MHz (in 12.5 kHz steps) UHF-Hi (T")..............................470-512 MHz (in 12.5 kHz steps) Channels of Operation...........Any 20 channels in any band combinations Sensitivity (FM: 20 dB S/N ratio at 3 kHz deviation): 29-54 MHz.....................................................0.4 microV 137-174 MHz...................................................0.5 microV 406-512 MHz...................................................0.6 microV Selectivity: +/- 10 kHz.........................................................-6 dB +/- 17 kHz........................................................-50 dB Scanning Rate..............................................10 Channels/Sec. Delay Time........................................................2 Seconds Acceptable RF Displacement........................................+/- 6 kHz IF Frequencies........................................10.85 MHz and 450 kHz Squelch Sensitivity: Threshold...........................................Less than 0.4 microV Tight......................................................(S+N)/N 25 dB Built-in Speaker...................1 9/16 Inches (4 cm) 8 Ohm, Dynamic Type Power Requirements DC..............................................4-AA Batteries (6.0 VDC) or 4-AA Rechargeable Ni-Cd Batteries (5.0 VDC) or Vehicle Battery DC Adapter Cat. No. 270-1533 AC..........................................AC Adapter Cat. No. 273-1652 Current Drain: Squelched..........................................................55 mA Full Volume Unsquelched...........................................135 mA Dimensions............................6 3/8 x 2 11/16 x 1 9/16 Inches (HWD) Weight......................................................8.10 oz (230 g) Specifications are typical; individual units might vary. Specifications are subject to change and improvement without notice. (SP 3/12/96)