Compare specifications between amateur radios. Simply select up to 3 radios and compare them side-by-side, including images and descriptions.
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General |
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| HAM bands | 11m (CB) | ? | None |
| Freq. stability | ? | Below 10 MHz: 50 Hz/MHz Above 10 MHz: 20 Hz/MHz Both after 30 minutes warm-up | ? |
| Tuning steps | Channelized | ? | Continuous |
Receiver |
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| RX-range | 26.965-27.405 MHz | 0.2-0.42 / 1.1-30 MHz in 5 bands | 150-250 / 600-1550 kHz / 87.5-100 MHz |
| Modulations | AM | AM CW | AM FM |
| Sensitivity | ? |
AM: 5 µV CM 1-2 µV |
? |
| Selectivity | ? | 1.5 / 3.0 / 6.0 / 12.0 kHz selectable (-6 dB) | ? |
| Filters | ? | 500 Hz switchable crystal filter | ? |
| Receiver system | ? | Superheterodyne | Single conversion superheterodyne |
| IF-freqs. | ? | 450 kHz | 465 kHz |
| Image rejection | ? | ? | ? |
| Audio output | ? | 1 W | Requires external speaker |
Transmitter |
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| TX-range | 26.965-27.405 MHz | - | - |
| Modulations | AM | - | - |
| RF-output | 4 W | ? | ? |
Connections |
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| Antenna | SO-239 | - | Clamps / screws |
| Impedance | 50Ω | 70/80Ω | 50Ω |
| Other | - | - | - |
Electrical |
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| Power req. | ? | Mains (100-125 or 200-250 V AC) or external PSU | Mains |
| Current RX | ? | 80 W | ? |
| TX | ? | - | - |
Physical |
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| Manufactured | Between 20xx and 20xx | Between 1959 and 196x in Great Britain | Between 195x and 195x in Great Britain |
| Dimensions |
125 × 45 × 150 mm (4.92 × 1.77 × 5.91 in) |
? | ? |
| Weight | ? | ? | ? |
| Form factor | Mobile | Base Station | Base Station |
Other features |
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| Memories | 40 channels in 1 bank(s) | ? | None |
| Usage | Citizen Band (27Mc) | Military communication | Amateur / Ham radio operators |
| Features | ? | ? | ? |
| Accessories | ? | ? | ? |
| MPN | PRESIDENT-JOHNNY-III | EDDYSTONE-000730/7 | EDDYSTONE-000820 |