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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 | None | ? | 160m 80m 40m 20m 15m 10m |
| Freq. stability | ? | ? | ? |
| Tuning steps | Fixed channels | ? | ? |
Receiver |
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| RX-range | 30-50 / 148-174 MHz | 1.5-30 MHz (230 – 530 kHz optional) | 10-160 m (2 m option) |
| Modulations | FM | AM CW | AM FM CW SSB |
| Sensitivity | ≤ 1.0 µV for 20 dB quieting |
CW: 0.2 µV (6 dB S/N) AM: 1.6 µV (10 dB S/N) |
? |
| Selectivity | 9 kHz @ -6 dB / 25 kHz @ -40 dB |
Variable 0.3-5 kHz (–6 dB) Formfactor -6/-60 dB: 1:4 at 5 kHz bandwidth |
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| Filters | 4-element crystal filter | ? | ? |
| Receiver system | Single conversion superheterodyne / XTAL | Single conversion, 10 tubes | ? conversion superheterodyne |
| IF-freqs. | 10.7 MHz | 1st: 1326 kHz | ? |
| Image rejection | > 35 dB @ 153 MHz / > 55 dB @ 40 MHz | > 60 dB | ? |
| Audio output | 2 W | 2 W/4000 ohms | 1 W |
Transmitter |
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| TX-range | - | - | - |
| Modulations | - | - | - |
| RF-output | ? | ? | ? |
Connections |
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| Antenna | KOK1 (Motorola/DIN41585) | - | - |
| Impedance | 50Ω | 60Ω | 50/75Ω |
| Other | - | - | - |
Electrical |
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| Power req. | 12 V DC or 120 V AC mains | Mains (110/125/220 V AC +/-10% 40-60 Hz, 65 W and 220V DC +/-10%, 85 W) | Mains (100-234 V AC) |
| Current RX | 16 W | ? | ? |
| TX | - | - | - |
Physical |
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| Manufactured | Between 1973 and 197x in Japan | Between 1952 and 1957 in West Germany | Between 1968 and 19xx in Japan (made by Yaesu for Sommerkamp) |
| Dimensions |
190 × 76 × 228 mm (7.48 × 2.99 × 8.98 in) |
552 × 356 × 340 mm (21.73 × 14.02 × 13.39 in) |
370 × 160 × 290 mm (14.57 × 6.30 × 11.42 in) |
| Weight | 2.00 kg (4.4 lbs) | 44.00 kg (97.1 lbs) | ? |
| Form factor | Mobile | Base Station | Base Station |
Other features |
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| Memories | 8 channels in 1 bank(s) @ 10 channels/second | ? | ? |
| Usage | Amateur / Ham radio operators | Marine / Navy | Amateur / Ham radio operators |
| Features | ? | ? | ? |
| Accessories | ? | ? | ? |
| MPN | 20-166 | SIEMENS-000745-E303 | SOMMERKAMP-FRDX-000500 |
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