Radio Shack PRO-2053 Owner's Manual page 53

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 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
Power Requirements:.......................................................................... 120V AC, 200 mA, 60 Hz, or 12V DC
Dimensions (HWD) .............................................................................................. 3
Weight (without antenna and batteries)............................................................................................... 27 oz.
Specifications are typical: individual units might vary. Specifications are subject to change and improve-
ment without notice.
Specifications
(77 mm)
(8-ohm, Dynamic Type)
1 1 1
/ 8 / 6 / Inches
8 2 2
(80 215 165 mm)
(750 g)
53