2
SPECIFICATIONS
Frequency Coverage
25.000-26.960 MHz
10 kHz steps (AM)
26.965-27.405 MHz
10 kHz steps (AM)
27.410-29.505 MHz
5 kHz steps (AM)
29.510-29.700 MHz
5 kHz steps (FM)
29.710-49.830 MHz
10 kHz steps (FM)
49.835-54.000 MHz
5 kHz steps (FM)
108.000-136.99166 MHz
8.33 kHz steps (AM)
137.000-137.995 MHz
5 kHz steps (FM)
138.000-143.9875 MHz
12.5 kHz steps (FM)
144.000-147.995 MHz
5 kHz steps (FM)
148.000-150.7875 MHz
12.5 kHz steps (FM)
150.800-150.845 MHz
5 kHz steps (FM)
150.8525-154.4975 MHz
7.5 kHz steps (FM)
154.515-154.640 MHz
5 kHz steps (FM)
154.650-156.255 MHz
7.5 kHz steps (FM)
156.275-157.450 MHz
25 kHz steps (FM)
157.470-161.5725 MHz
7.5 kHz steps (FM)
161.600-161.975 MHz
5 kHz steps (FM)
162.000-174.000 MHz
12.5 kHz steps (FM)
216.0025-219.9975 MHz
5 kHz steps (FM)
220.000-224.995 MHz
5 kHz steps (FM)
225.000-379.99375 MHz
6.25 kHz steps (AM)
380.000-419.9875 MHz
12.5 kHz steps (FM)
420.000-450.000 MHz
5 kHz steps (FM)
450.00625-469.99375 MHz
6.25 kHz steps (FM)
470.000-512.000 MHz
12.5 kHz steps (FM)
764.000-805.996875 MHz
3.125 kHz steps (FM)
806.000-823.9875 MHz
12.5 kHz steps (FM)
849.000-868.9875 MHz
12.5 kHz steps (FM)
894.000-939.9875 MHz
12.5 kHz steps (FM)
940.000-960.000 MHz
6.25 kHz steps (FM)
1240.000-1300.000 MHz
6.25 kHz steps (FM)
Unit
Nominal Limit
Signal to noise ratio (FM and AM)
RF input: 100
μ
V
25-54 MHz
dB
40
30
Dev. 3 kHz at 1 kHz
108-136.99166 MHz
dB
40
30
Mod.: 60% at 1 kHz
137-174 MHz
dB
40
30
216.0025-299.99375 MHz
dB
40
30
300-512 MHz
dB
35
25
764-960 MHz
dB
35
25
1240-1300 MHz
dB
35
25
Squelch sensitivity
at threshold
(AM/FM)
μ
V
0.5
2
at tight (FM)
dB
25
15
at tight (AM)
dB
20
10
Data decode sensitivity
WX Alert 1050 Hz tone
3 kHz Dev. at 162.4 MHz
μ
V
0.3
1
Summary of Contents for PRO-197
Page 15: ...PRINTED CIRCUIT BOARD Main PCB Top View 15 ...
Page 16: ...Bottom View 16 ...
Page 19: ...19 ...
Page 20: ...WIRING DIAGRAM 20 ...
Page 73: ......
Page 74: ......
Page 75: ...RadioShack Corporation Fort Worth Texas 76102 08A08 ...