PRO-50  (200-0307)           Specifications            Faxback Doc. # 6194

Frequency Coverage:

  VHF-Lo........................................30-50 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/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)
Number of Operation Channels.............20 channels and 1 monitor channel

Sensitivity (20 dB Signal-to Noise Ratio):
  30-54 MHz.......................................................1 microV
  137-174 MHz.....................................................1 microV
  380-512 MHz.....................................................1 microV

Spurious Rejection:
  30-54 MHz................................................50 dB at 40 MHz
  137-174 MHz.............................................50 dB at 154 MHz
  380-512 MHz................................................Not specified

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

IF Interference Ratio:
  10.7 MHz................................................70 dB at 154 MHz
  Scanning Rate...........................................16 channels/sec.
  Search Rate................................................16 steps/sec.
  Delay Time.....................................................2 seconds
  IF Frequencies......................................10.7 MHz and 455 kHz

Squelch Sensitivity:

  Threshold.....................................................1.0 microV
  Tight (S+N)/N......................................................25 dB
Antenna Impedance..................................................50 ohms
Audio Power (10% THD)...............................................200 mW
Built-In Speaker.......................1-3/8" (36 m/m) 8 ohm, dynamic type
Power Requirement..................................+9V DC, 6 AA batteries,
                              or a suitable adapter (negative ground only)
Current Drain (Squelched)............................................65 mA
Operating Temperature.....................+14 F to +140 F (-10 C to +60 C)
Storage Temperature........................-4 F to +140 F (-20 C to +60 C)
Dimensions...................................6-5/16 x 2-3/8 x 1-3/4" (HWD)
                                                        (160 x 60 x 44 mm)
Weight.............................................Approx. 9.2 oz. (260 g)
                                             without antenna and batteries

(rlr/all-7/6/94)

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