PRO-59  (200-0401)         Specifications               Faxback Doc. # 8566

General

Band Coverage........................................7 Band Weather Channel

Frequency Range..............................................137 to 144 MHz
.....................................................(Military Land Mobile)
.....................................144  to 148 MHz (2 Meter Amateur Band)
.............................................148 to 174 MHz (VHF High Band)
............................406 to 420 MHz (Federal Government Land Mobile)
........................................420 to 450 MHz (70-cm Amateur Band)
.........................................450 to 470 MHz (UHF Standard Band)
..............................................470 to 512 MHz (UHF "T" Band)
Weather Service Channel
................................................................162.400 MHz
................................................................162.425 MHz
................................................................162.450 MHz
................................................................162.475 MHz
................................................................162.500 MHz
................................................................162.525 MHz
................................................................162.550 MHz

Channels.........................................................8 Channels
Display.......................................Channel.....1 Digit LED (RED)
..............................................Weather.............LED (RED)
..............................................Lock Out............LED (RED)

Keys (PROGRAM)................................Total 1 set 12 keys..........
.............................................Numeric....."0" to "9"........
............................................Enter........"ENTER"...........
............................................Decimal/Clear..."."............
.....(OPERATION) ...........................Total 5 Keys...................
............................................Scan..........Start Scan.......
............................................Manual........Direct channel...
..........................................................access...........
............................................Lock Out...........Channel skip
............................................Review................Indicates
................................................................Frequencies
..........................................................of Channel Memory
............................................Weather.....(WX)..Automatically
.........................................................Scans all national
...................................................weather service channels

Controls/Switches...........................Volume Cont..with Power..ON/OFF
............................................Switch Squelch Cont............

External Jacks..............................ANT.Jack...............BNC Type
............................................DC Power.......................
............................................Jack......................5.5/o
............................................External.......................
............................................Speaker .......................
............................................Jack......................3.5/o
...........................................Telescoping
............................................Ant. Jack  ..........Screw Type

Internal Speaker  ..........................8-ohm, 2 Watt..................

Power requirements..........................12 V DC +/- 10 %...............

Operating TEMP..............................................14 oF to 140 oF
...........................................................(-10oC to +60oC)

Storage TEMP...............................................-4oF to + 149oF 
............................................................(-20C to +65oC)

Size.......................................:9-3/8" x 2 x 7- 1/16" (238 x 51
........................................................... x 180mm)) (WHD)

Weight.................................................1 Lb 10 ozs (0.75kg)

Accessories.............................................Telescoping Antenna
.................................................................AC Adaptor

Heterodyne System.............................(1) 1 st heterodyne (IF 10.85
                                                                   MHz)
     VHF High Band.........................................Lower Heterodyne
     UHF Band .............................................Lower Heterodyne

Filter .......................................Monolithic X'tal Filter 10.85
........................................................................MHz
..............................................Ceramic Filter .......450 kHz

MEASUREMENT CONDITIONS
Power Source.......................................................12 V DC 
Antenna Impedance....................................................50-ohm
Test Temperature.................................77oF +/- 9oF (25o C +/5oC)
Modulation Frequency..................................................1 kHz
Deviation..................................................FM +/-3 kHz Dev.
Mean Signal Input Level.............................................100 ohm
Audio Output Load......................................8-ohm resistive load
Standard Ref.Audio Output..............................8-ohm resistive load
Standard Ref. Audio Output......................................125 mW (1V)

Items..............................................Unit....Nominal....Limit
Sensitivity (S+N)/N=20 dB
VHF Hi Band..............................140.0 MHz  microV    0.6.......3.0
.........................................155.0 MHz..microV....0.6.......3.0
.........................................170.0 MHz  microV....0.6.......3.0
UHF Band.................................410.0 MHz  microV....0.6.......3.0
.........................................460.0 MHz..microV....0.6.......3.0
.........................................510.0 MHz..microV....0.6.......3.0

Threshold Squelch
...................VHF Hi Band..at.......155.0 MHz..microV....0.4.......1.2
...................UHF....Band..at.......460.0 MHz..microV....0.5.......1.8

Tight Squelch S/N
...................VHF Hi Band..at.......155.0.MHz..dB........25.........20
...................UHF....Band..at.......460.0 MHz..dB........25.........20

Signal to Noise Ratio 
...................VHF Hi Band..at.......155.0 MHz..dB......  45.........30
...................UHF....Band  at.......460.0 MHz..dB........35.........25

Audio Frequency Response -6 dB
...................(at 155.0 MHz)..............Low..Hz.......180........100
.....................................................................to 400
...............................................High.Hz......2100.......1500
....................................................................to 3500

Audio Output Power
...(at 155.0 MHz)
...................Max.Output Power...........W.............1.3.........0.6
...................10 % THD Output Power......W.............1.0.........0.5


Distortion
...at (155.0 MHz)
...................100 microV.Input...........%.............1.5...........6


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

Selectivity  (155.0 MHz)
................-6 dB.........................kHZ..........+/-11......+/-15
................-50 d/B....................   kHz..........+/-15......+/-20

IF Rejection (155.0 MHz)......................dB............60...........50
Residual Noise (at SQ Open)...................mV............0.3...........3
Scan Rate  ...................................CH/Sec........14.....10 to 20
Scan Delay....................................Sec...........2........1 to 3
Current Drain
...................(at full output)   ....... mA DC.........320.........400
...................(at Squelched).............mA DC ........150.........200
...................(at Keep alived)...........mA DC.........8.6..........20
Memory Back Up Time ..........................Hour.......................24

(RLR-11/29/93)