General Specifications; Power Supply - Cobra microTALK FRS121C Owner's Manual

Operation
A. FRS Frequency
Allocation
A = Channel No. For
14 Channel FRS Models
B = Frequency in MHz
C = Power in Watts
A
1 462.5625
2 462.5875
3 462.6125
4 462.6375
5 462.6625
6 462.6875
7 462.7125
8 467.5625
9 467.5875
10 467.6125
11 467.6375
12 467.6625
13 467.6875
14 467.7125
The Cobra
of quality products
includes:
CB Radios,
microTALK
Radar/Laser Detectors,
Safety Alert
Systems,
Accessories,
GPS (Global Positioning
System),
HighGear ™
10 English

General Specifications

B C
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
® line
® Radios,
® Traffic Warning
Accessories
B. Receiver
1. Sensitivity
For 12 DB SINAD . . . . . . . . . . . dBm
For Call Signal Detection . . . . . dBm
2. Max. Audio Output
@ 10% THD . . . . . . . . . . . . . . . . mW
3. Max. S/N Ratio
@ 1mV RF Input . . . . . . . . . . . . dB
4. Squelch
a) Sensitivity . . . . . . . . . . . . . dB sinad
b) Attack Time . . . . . . . . . . . . . . mS
c) Closing Time . . . . . . . . . . . . . mS
5. Audio Frequency Response
@ 300 HZ . . . . . . . . . . . . . . . . . dB
@ 2500 HZ . . . . . . . . . . . . . . . . dB
6. Signal Displacement BW . . . . +/-KHz
7. Adjacent Channel Rejection . . . . dB
8. Intermodulation Rejection . . . . . dB
9. Spurious Response Rejection . . . . dB
C. Transmitter
1. Power . . . . . . . . . . . . . . . . . . . . mW
2. Carrier Frequency Stability . . . . . ±Hz
3. Modulation Limiting . . . . . . . . . KHz
4. Carrier Attack Time . . . . . . . . . . mS
5. Audio Frequency Response
@ 300 HZ . . . . . . . . . . . . . . . . . dB
@ 2500 HZ . . . . . . . . . . . . . . . . dB
6. Audio Distortion . . . . . . . . . . . . %
7. Hum Noise . . . . . . . . . . . . . . . . dB
8. Transient Frequency Behavior
a) TX On . . . . . . . . . . . . . . . . . mS
b) TX Off . . . . . . . . . . . . . . . . . mS
D. Power Supply
1. Battery Life (5:5:90 RATIO)
With Alkaline Batteries . . . . . . . HR
2. Battery Operating Range . . . . . . V
-122
-122
350
40
10
120
200
-3
-10
6
50
65
55
500
500
2.5
80
-12
3
3
30
30
5
24
4.2 – 6.0