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) | ? | ? |
| Freq. stability | ? | ≤ 100 Hz per hour after warmup | ? |
| Tuning steps | Channelized | ? | ? |
Receiver |
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| RX-range | 26.065-28.305 MHz | - | 40 kHz - 31 MHz in 10 bands |
| Modulations | AM FM CW SSB | All mode | AM CW |
| Sensitivity | ? | ? |
3 µV above 1500 kHz 8 µV for lower frequencies |
| Selectivity | ? | ? |
2 kHz @ -2.5 dB 5 kHz @ -35 dB |
| Filters | ? | ? | ? |
| Receiver system | ? | ? | Superheterodyne |
| IF-freqs. | ? | ? | 450 kHz |
| Image rejection | ? | ? | ? |
| Audio output | ? | ? | 1.5 W |
Transmitter |
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| TX-range | 26.065-28.305 MHz | ? | - |
| Modulations | AM FM CW SSB | All mode | - |
| RF-output | AM/FM: 10 W SSB: 21 W (PEP) CW: 10 W | ? | ? |
Connections |
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| Antenna | SO-239 | Clamps / screws | - |
| Impedance | ? | ? | 50Ω |
| Other | - | - | - |
Electrical |
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| Power req. | Mains | External PSU or main unit | Mains |
| Current RX | ? | - | ? |
| TX | ? | ? | - |
Physical |
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| Manufactured | Between 19xx and 19xx | Between 1967 and 1970 in USA | Between 194x and 194x in Great Britain |
| Dimensions | ? |
254 × 171 × 279 mm (10.00 × 6.73 × 10.98 in) |
520 × 305 × 342 mm (20.47 × 12.01 × 13.46 in) |
| Weight | ? | 2.30 kg (5.1 lbs) | 22.90 kg (50.5 lbs) |
| Form factor | Base Station | Base Station | Base Station |
Other features |
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| Memories | 200 channels in 1 bank(s) | ? | ? |
| Usage | Citizen Band (27Mc) | Amateur / Ham radio operators | Amateur / Ham radio operators |
| Features | ? | ? | ? |
| Accessories | ? | ? | ? |
| MPN | PRESIDENT-FRANKLIN | HEATHKIT-SB-000640 | EDDYSTONE-000358 |