PRO-24 Pocket Scanner
(200-0105) Specifications Faxback Doc. # 37375
Channels of Operation: ...... Four - as determined by any one of 4 crystals
operating in the frequency range.
Frequency Range: ............................ 30 to 50 MHz, 144 to 174 MHz,
450 to 470 MHz, 470 to 512 MHz
Frequency Coverage: ................ VHF Lo - 6 MHz for maximum sensitivity
(40 MHz +/- 3 MHz)
VHF Hi - 8 MHz for maximum sensitivity
(153 MHz +/- 4 MHz)
UHF - 30 MHz for maximum sensitivity
(480 MHz +/- 15 MHz)
Sensitivity: ......................... Better than 1 uV for (S+N)/N = 20 dB
Selectivity: .............................................. -6 dB +/- 9 kHz
-50 dB +/- 15 kHz
Modulation Acceptance: .......................................... +/- 7 kHz
I.F.: ................................................ 10.7 MHz and 455 kHz
Filters: ............... 10.7 MHz Crystal Filter and 455 kHz Ceramic Filter
Squelch Sensitivity: ......................... Variable from less than 1 uV
Scanning Speed: ......................................... 6 Channels/Second
Delay Time: ................................................ 1 to 3 Seconds
Audio Power: ....................................................... 150 mW
Power Requirements: ......................... +6V DC, Four AA batteries, or
a suitable adapter (negative ground only)
Current Drain: .......................................... 25 mA (Squelched)
100 mA (full volume unsquelched)
Semiconductor Complement: ........................... 3 Integrated Circuits
11 Silicon Transistors
13 Diodes
4 Light Emitting Diodes (LEDs)
Speaker: ................ 2" (5 cm), 16-Ohm, Permanent Magnet, dynamic type
Antennas: .................................... Telescopic and Flexible Type
Antenna Thread Size: ....................... 5/16 Inch, 32 threads per Inch
Crystal Requirements: ........................ Standard HC-25/U 3rd Overtone
(EB 1/10/97)
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