PRO-70 50 Channel Portable Scanner
(200-0310)                 Specifications             Faxback Doc. # 38228

Frequency Coverage:
    Ham: ..................................... 29-30 MHz (in 5.0 kHz steps)
    VHF Lo: .................................. 30-50 MHz (in 5.0 kHz steps)
    Ham: ..................................... 50-54 MHz (in 5.0 kHz steps)
    Government: ............................ 137-144 MHz (in 5.0 kHz steps)
    Ham: ................................... 144-148 MHz (in 5.0 kHz steps)
    VHF Hi: ................................ 148-174 MHz (in 5.0 kHz steps)
    Ham/Government: ....................... 380-450 MHz (in 12.5 kHz steps)
    UHF Lo: ............................... 450-470 MHz (in 12.5 kHz steps)
    UHF Hi (T): ........................... 470-512 MHz (in 12.5 kHz steps)

Channels of Operation: ................... 50 Channels and 1 Monitor Memory

Sensitivity (20 dB S/N):
    29-54 MHz: ..................................................... 1.0 uV
    137-174 MHz: ................................................... 1.0 uV
    380-512 MHz: ................................................... 1.0 uV

Selectivity:
    +/-10 kHz: ...................................................... -6 dB
    +/-18 kHz: ..................................................... -50 dB

Spurious Rejection:
    29-54 MHz: ............................................ 50 dB at 40 MHz
    137-174 MHz: ......................................... 50 dB at 154 MHz

Scanning Rate: ................................... Up to 25 channels/second

Search Rate: ........................................ Up to 50 steps/second

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

Intermediate Frequencies (IF):
    1st: ......................................................... 10.7 MHz
    2nd: .......................................................... 455 kHz

IF Rejection: 10.7 MHz: .................................. 70 dB at 154 MHz

Squelch Sensitivity:
    Threshold: ........................................... Less than 1.0 uV
    Tight: .................................................. (S+N)/N 25 dB

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

Audio Output Power (10% THD): .............................. 200 mW Nominal

Built-in Speaker: .................. 1 3/8 Inch (36 mm) 8 Ohm, Dynamic Type

Power Requirements: ............................... +9 V DC, 6 AA batteries
    AC Adapter: ....................................... (Cat. No. 273-1665)
    DC Adapter: ....................................... (Cat. No. 270-1560)
    Rechargeable Battery Pack: .......................... (Cat. No. 23-288)

Current Drain (Squelched): .......................................... 50 mA

Dimensions (HWD): .......................... 6 3/4 x 2 7/16 x 1 9/16 Inches
                                                         (171 x 62 x 40 mm)

Weight: .................................................... 8.1 oz (229 g)

Supplied Accessory: ............................................... Antenna

Specifications are typical; individual units might vary. Specifications are
subject to change and improvement without notice.


(km-04/25/1997)

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