Radio Shack PRO-2053 Scanner User Manual


 
53
Specifications
Selectivity:
25 – 27.995 MHz at AM mode
-6 dB..................................................................................................................................................+/-5 kHz
-50 dB............................................................................................................................................... +/-6 kHz
All frequencies at AM and FM mode except 25 – 27.995 MHz at AM
-6 dB................................................................................................................................................+/-10 kHz
-50 dB..............................................................................................................................................+/-18 kHz
Spurious Rejection (at 154.1 MHz FM)................................................................................................ 40 dB
Scanning Rate .............................................................................................. Up to 60 Channels per Second
Search Rate ....................................................................................................... Up to 75 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 ...............................................................................................................32 to 110° F
.....................................................................................................................................................(0 to 43° 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
µ
V
Tight (FM)..............................................................................................................................................25 dB
Tight (AM)..............................................................................................................................................20 dB
Antenna Impedance........................................................................................................................ 50 Ohms
Audio Output Power (10% THD) .......................................................................................................... 1.2 W
Built-in Speaker............................................................................................................................... 3 Inches
(77 mm)
(8-ohm, Dynamic Type)
Power Requirements:.......................................................................... 120V AC, 200 mA, 60 Hz, or 12V DC
Dimensions (HWD) .............................................................................................. 3
1
/
8
×
8
1
/
2
×
6
1
/
2
Inches
(80
×
215
×
165 mm)
Weight (without antenna and batteries)............................................................................................... 27 oz.
(750 g)
Specifications are typical: individual units might vary. Specifications are subject to change and improve-
ment without notice.