Radio Shack 20-163 Scanner User Manual


 
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216.0025–224.975MHz ........................................................................0.5 uV
225-299.975 MHz ................................................................................0.5 uV
300-405.975 MHz ................................................................................0.8 uV
406–512 MHz .......................................................................................0.5 uV
764–960 MHz .......................................................................................0.7 uV
1240–1300 MHz ...................................................................................0.7 uV
AM:
25–54 MHz ..............................................................................................1 uV
108–136.99166 MHz ...............................................................................1 uV
137–174 MHz .......................................................................................1.5 uV
216.0025–224.975MHz ........................................................................1.5 uV
225-299.975 MHz ...................................................................................2 uV
300-405.975 MHz ...................................................................................3 uV
406–512 MHz ..........................................................................................2 uV
764–960 MHz ..........................................................................................2 uV
1240–1300 MHz ......................................................................................3 uV
Selectivity:
All AM and FM (except AM 25 – 27.995 MHz) .....................6 dB +/-8 kHz
........................................................................................... -50 dB +/-17 kHz
AM 25 – 27.995 MHz ............................................................ -6 dB +/-4 kHz
............................................................................................. -50 dB +/-6 kHz
Spurious Rejection (at 154.1 MHz FM) .............................................. 40 dB
Scanning Rate ........................................... Up to 60 Channels per Second
Search Rate ..................................................... Up to 78 Steps per Second
Delay Time ...................................................................................2 seconds
Intermediate Frequencies (IF):
1st ................................................................................................. 380.8 MHz
2nd ................................................................................................. 21.4 MHz
3rd .....................................................................................................455 kHz
Priority Sampling .........................................................................2 seconds
Operating Temperature ................................... -14 to 140° F(-20 to 60° C)
IF Rejection
380.8 MHz at 154.1 MHz ..................................................................... 60 dB
21.4 MHz at 154.1 MHz ..................................................................... 100 dB
Squelch Sensitivity:
Threshold (FM and AM) .....................................................................0.5 uV
Tight (FM) ............................................................................................ 25 dB
Tight (AM) ........................................................................................... 20 dB
Antenna Impedance ......................................................................50 Ohms
Audio Output Power (10% THD) ........................................................ 1.5W
Built-in Speaker ..........................3 Inches (77 mm)(8-ohm, Dynamic Type)
Power Requirements ...........................................................................13.8V
Current Drain (Squelched) ..............................................................200 mA
Dimensions (HWD) ......2 1/4 x 7 1/4 x 5 5/16 Inches (55 x 185 x 135 mm)
Weight (without antenna) ....................................................27.7 oz. (790 g)
Specications and depictions are subject to change and improvement without notice.
Actual product may vary from the images found in this document.