President Johnny III USA Premium CB Radio
JOHNNY III USA - 12/24V
Ref.: TXMU653
- 40 channels AM
- Channel rotary switch
- Weather Alert
- Volume adjustment and ON/OFF
- Manual squelch and ASC (Automatic Squelch Control)
- Multi-functions LCD display
- S-meter
- Vox function (Hands free)
- ANL filter and HI-CUT
- RF Gain
- Scan
- Priority channel memory
- F function key
- Beep Function
- Roger Beep
- Key locking
- Front microphone plug
- External loudspeaker jack
Backlight color:
General
| Number of channels | : | 40 Cx (100% FCC) |
| Number of weather channels | : | 7 Cx |
| Weather alert | : | |
| Modulation modes | : | AM |
| Frequency ranges | : | from 26.965 MHz to 27.405 MHz |
| Weather channels | : | from 162.400 MHz to 162.550 MHz |
| Antenna impedance | : | 50 ohms |
| Power supply | : | 13.8 V / 27.6 V |
| Size (W x D x H) | : | 4.92 in. x 1.77 in. x 5.91 in. / 125 mm x 45 mm x 150 mm |
| Weight | : | ~ 1.54 lbs / ~ 0.7 kg |
| Accessories supplied | : | Ultra light electret microphone with support, mounting cradle, screws |
| Filter | : | ANL (Automatic Noise Limiter) built-in |
Transmission
| Frequency allowance | : | +/- 200 Hz |
| Carrier power | : | 4 W (Constant / Stabylised) |
| Transmission interference | : | inferior to -60 dBc |
| Audio response | : | 300 Hz to 3 kHz |
| Emitted power in the adj. channel | : | inferior to 20 µW |
| Microphone sensitivity | : | 3 mV |
| Drain | : | 1.7 A (with modulation) |
| Modulated signal distortion | : | 1.8 % |
Reception
| Maxi. sensitivity at 10 dB (S+N)/N | : | 0.6 µV - 111 dBm |
| Frequency response | : | 300 Hz to 3 kHz |
| Adjacent channel selectivity | : | > 60 dB |
| Maximum audio power | : | 2 W |
| Squelch sensitivity | : | minimum 0.2 µV - 120 dBm, maximum 1 mV - 47 dBm |
| Frequency image rejection rate | : | 60 dB |
| Intermediate frequency rej. rate | : | 70 dB |
| Drain | : | 300 mA nominal / 850 mA maximum |
Questions & Answers
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