PRO-42 Programmable Scanner
(200-0302)                 Specifications             Faxback Doc. # 8450

Frequency Coverage:

   VHF-Lo: ..................................... 30-50 MHz (in 5 kHz steps)

   Ham: ........................................ 50-54 MHz (in 5 kHz steps)

   Government: ............................... 138-144 MHz (in 5 kHz steps)

   Ham: ...................................... 144-148 MHz (in 5 kHz steps)

   VHF-Hi: ................................... 148-174 MHz (in 5 kHz steps)

   Ham/Government: ........................ 380-450 MHz (in 12.5 kHz steps)

   UHF-Lo: ................................ 450-470 MHz (in 12.5 kHz steps)

   UHF-Hi: ................................ 470-512 MHz (in 12.5 kHz steps)

Sensitivity (20 dB S/N at 3 kHz Deviation):

   30-54 MHz: .................................................. 1.0 microV

   138-174 MHz: ................................................ 1.0 microV

   380-512 MHz: ................................................ 1.0 microV

Spurious Rejection:

   30-54 MHz: ............................................. 50 dB at 40 MHz

   138-174 MHz: .......................................... 50 dB at 154 MHz

   380-512 MHz: .......................................... -6 dB, +/-10 kHz

Selectivity: ............................................. -6 dB, +/-10 kHz
                                                          -50 dB, +/-20 kHz

IF Rejection: .................................. 10.7 MHz -50 dB at 154 MHz

Scanning Rate: ............................................ 8 channels/sec.

Delay Time: ..................................................... 2 seconds

Modulation Acceptance: .......................................... +/- 8 kHz

If Frequencies: ...................................... 10.7 MHz and 455 kHz

Filters: ......................................... One Crystal, One Ceramic

Squelch Sensitivity:

   Threshold: ........................................ Less than 1.0 microV

   Tight: ................................................... (S+N) /N25 dB

Antenna Impedance: ................................................ 50 Ohms

Audio Power: ............................................... 250 mW maximum

Power Requirements: ......... +9 VDC, 6 AA batteries, or a suitable adapter
                                                     (negative ground only)

Dimensions (HWD): ............................ 6 3/8 x 2 3/4 x 1 5/8 inches
                                                         (160 x 70 x 40 mm)

Weight: ................................................... 10.6 oz (300 g)

U. S. PATENT NUMBERS:

3,794,925
3,961,261
3,962,644
4,027,251
4,092,594
4,123,715



(RLR/EB 5/21/97)

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