Pro-49 10-Channel Direct-Entry Programmable Scanner 
(200-0306)                 Specifications             Faxback Doc. # 16428

Band Coverage: ............................ 10 bands plus weather channels

Frequency Range:

  (10 meter amateur band): ............... 29 to 29.7 MHz (in 5 kHz steps)
           (VHF low band): ............... 29.7 to 50 MHz (in 5 kHz steps)
   (6 meter amateur band): ................. 50 to 54 MHz (in 5 kHz steps)
   (Military land mobile): ............... 137 to 144 MHz (in 5 kHz steps)
   (2 meter amateur band): ............... 144 to 148 MHz (in 5 kHz steps)
          (VHF high band): ............... 148 to 174 MHz (in 5 kHz steps)
      (Gov't/land mobile): ............ 406 to 420 MHz (in 12.5 kHz steps)
     (70-cm amateur band): ............ 420 to 450 MHz (in 12.5 kHz steps)
      (UHF standard band): ............ 450 to 470 MHz (in 12.5 kHz steps)
           (UHF "T" band): ............ 470 to 512 MHz (in 12.5 kHz steps)

Channels of Operation: .......... Any 10 Channels in any band combinations

Weather Service Channels: .................................... 162.400 MHz
                                                               162.425 MHz
                                                               162.450 MHz
                                                               162.475 MHz
                                                               162.500 MHz
                                                               162.525 MHz
                                                               162.550 MHz

Sensitivity (FM: 20 dB Signal-to-Noise Ratio at 3 kHz deviation):
   29-54 MHz: ..................................................... 0.4 uV
   137-174 MHz: ................................................... 0.5 uV
   406-512 MHz: ................................................... 0.6 uV

Selectivity:
   +/- 10 kHz: ..................................................... -6 dB
   +/- 17 kHz: .................................................... -50 dB

Scanning Rate: .................................... 10 Channels per Second

Delay Time: .................................................... 2 Seconds

Modulation Acceptance: ........................................ +/- 12 kHz

IF Frequencies: .................................... 10.85 MHz and 450 kHz

Squelch Sensitivity:
   Threshold: ........................................... Less than 0.2 uV
   Tight: .................................................. (S+N)/N 15 dB

Built-in-Speaker: .... Dynamic Type, 8-Ohm, 0.5W, 1 9/16 Inches Dia.(4 cm)

Power requirements:
   DC: .......................... 4-"AA" Batteries, 6.0 VDC (not included)
          or 4- "AA" Rechargeable Ni-Cad Batteries, 4.8 VDC (not included)

   AC: ...................... AC Adapter, Cat. No. 273-1652 (not included)

Current Drain:
   Squelched: ...................................................... 55 mA
   Full Volume Unsquelched: ....................................... 135 mA

Batt. Low Indication: .................A beep tone with 15 second interval

Operating Temperature: .......................... 14F - 140F (-10C - +60C)

Storage Temperature: ........................... -4F - +158F (-20C - +70C)

Dimensions (HWD): .......................... 6 3/8 x 2 9/16 x 1 5/8 Inches
                                                    (162 x 66.7 x 38.1 mm)

Weight: ................................................... 8.10 oz (230g)

Accessories: ............................................ Flexible Antenna
                                                                 Belt clip

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

MEASUREMENT CONDITIONS

Power Source: ................................ 6.0 VDC (at Batt. Terminal)
Antenna Impedance: ................................................ 50-Ohm
Test Temperature: .............................................. 77F (25C)
Modulation Frequency: .............................................. 1 KHz
Deviation: ............................................. FM +/- 3 KHz Dev.
Mean Signal Input Level: .......................................... 100 uV
Audio Output Load: ............... 8 Ohm resistive load (at Earphone Jack)
Standard Ref. Audio Output: ................................ 50 mW (0.63V)

       ITEM                                UNIT        NOMINAL       LIMIT
Sensitivity (S+N)/N=20 dB

VHF Low Band       30.0 MHz                  uV           0.4          2.0
                   40.0 MHz                  uV           0.4          2.0
                   50.0 MHz                  uV           0.4          2.0
VHF High Band      140.0 MHz                 uV           0.5          3.0
                   155.0 MHz                 uV           0.5          3.0
                   170.0 MHz                 uV           0.5          3.0
UHF Band           410.0 MHz                 uV           0.6          4.0
                   460.0 MHz                 uV           0.6          4.0
                   510.0 MHz                 uV           0.6          4.0

Threshold Squelch (Manual)

VHF Low Band       at 40.0 MHz               uV           0.2          0.8
VHF High Band      at 155.0 MHz              uV           0.3          1.2
UHF Band           at 460.0 MHz              uV           0.3          1.8

Tight Squelch (Manual) (S+N)/N

VHF Low Band       at 40.0 MHz               dB            25           15
VHF High Band      at 155.0 MHz              dB            25           15
UHF Band           at 460.0 MHz              dB            25           15

Hum and noise (at 100 uV input)

VHF Low Band       at 40.0 MHz               dB            40           30
VHF High Band      at 155.0 MHz              dB            40           30
UHF Band           at 460.0 MHz              dB            35           25

Audio Frequency Response -6 dB
 (At 155.0 MHz)    Low                       Hz           220      150-350
                   High                      Hz          2200    1500-3000

Audio Output Power
 (at 155.0 MHz)
  10% THD          Output Power              mW           220          100

Distortion
 (at 155.0 MHz 100 uV input)                  %             1            5

Modulation Acceptance at EIA RS-204-A        KHz        +/- 12       +/- 5

Selectivity (at 155.0 MHz)
                   -6 dB                     KHz        +/- 10      +/- 12
                   -50 dB                    KHz        +/- 17      +/- 20

IF Rejection (at 155.0 MHz)                   dB            80          35
Residual Noise                                mV           0.3           3
Scan Rate                                  CH/sec           10    10 +/- 3
Scan Delay                                    sec            2   2 +/- 1.5
Current Drain
                   (at Full Output)         mA DC          135    80 - 160
                   (at Squelched)           mA DC           55     20 - 80
Low Batt. Indication                           V           4.5   4.35-4.65

NOTE:  Nominal specs represent the design specs.  All units should be able
       to approximate these -- some will exceed and some may drop slightly
       below these specs.  Limit specs represent the absolute worst con-
       dition that still might be considered acceptable; in no case should
       a unit fail to meet limit specs.


(ALL/EB 2/20/97)

Privacy Policy