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

Frequency Coverage:
   VHF-Lo........................................30-50 MHz (in 5 kHz steps)
   Ham................................................50-54 MHz (in 5 k Hz)
   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)
   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..................................................1.0V 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,+/- 10kHz
Selectivity.................................................-6 dB, +/-10kHz
                                                         -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...............................................+/- 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 V DC, 6 AA batteries,
                                                      or a suitable adapter
                                                     (negative ground only)
Dimensions.....................................6 3/8 x 2 3/4 x 1 5/8 inches
                                                    (160 x 70 x 40 mm)(HWD)
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-10/18/93)