Operation
General Specifications
A. FRS Frequency
Allocation
A = Channel No. For
14 Channel FRS Models
B = Frequency in MHz
C = Power in Watts
A | B | C |
1 | 462.5625 | 0.5 |
2 | 462.5875 | 0.5 |
3 | 462.6125 | 0.5 |
4 | 462.6375 | 0.5 |
5 | 462.6625 | 0.5 |
6 | 462.6875 | 0.5 |
7 | 462.7125 | 0.5 |
8 | 467.5625 | 0.5 |
9 | 467.5875 | 0.5 |
10 | 467.6125 | 0.5 |
11 | 467.6375 | 0.5 |
12 | 467.6625 | 0.5 |
13 | 467.6875 | 0.5 |
14 | 467.7125 | 0.5 |
The Cobra® line
of quality products includes:
CB Radios, microTALK® Radios, Radar/Laser Detectors,
Safety Alert® Traffic Warning
Systems,
Accessories,
GPS (Global Positioning
System),
HighGear™ Accessories
B. Receiver |
| Unit | Nominal |
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1. | Sensitivity |
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| For 12 DB SINAD | . . | dBm |
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| For Call Signal Detection . . . | . . | dBm |
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2. | Max. Audio Output |
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| @ 10% THD | . . | mW | 350 |
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3. | Max. S/N Ratio |
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| @ 1mV RF Input | . . | . dB | 40 |
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4. | Squelch |
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| a) Sensitivity | dB sinad | 10 |
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| b) Attack Time | . mS | 120 |
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| c) Closing Time | . mS | 200 |
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5. | Audio Frequency Response |
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| @ 300 HZ | . . | . dB |
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| @ 2500 HZ | . . | . dB |
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6. | Signal Displacement BW . . . | . | 6 |
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7. | Adjacent Channel Rejection . . . | . dB | 50 |
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8. | Intermodulation Rejection . . | . . | . dB | 65 |
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9. | Spurious Response Rejection . | . . | . dB | 55 |
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C. Transmitter |
| Unit | Nominal |
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1. | Power | . . | mW | 500 |
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2. | Carrier Frequency Stability | ±Hz | 500 |
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3. | Modulation Limiting | KHz | 2.5 |
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4. | Carrier Attack Time | . mS | 80 |
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5. | Audio Frequency Response |
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| @ 300 HZ | . . | . dB |
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| @ 2500 HZ | . . | . dB | 3 |
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6. | Audio Distortion | . . %. | 3 |
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7. | Hum Noise | . . | . dB | 30 |
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8. | Transient Frequency Behavior |
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| a) TX On | . mS | 30 |
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| b) TX Off | . mS | 5 |
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D. Power Supply |
| Unit | Nominal |
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1. | Battery Life (5:5:90 RATIO) |
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| With Alkaline Batteries | . HR | 24 |
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2. | Battery Operating Range . . . | . . | . V 4.2 – 6.0 |
10 English