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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 | ? | 80m 40m 20m 15m 10m | 2m |
| Freq. stability | ? | ≥ 100 Hz drift/hour after warm-up, ≥ 100 Hz/10% power line variation | Stated as +/- 10ppm @ 25°C |
| Tuning steps | ? | ? | 5 or 12.5 kHz depending on version. Can be reprogrammed by changing internal diode matrix in any multiple of 5 kHz from 5-40 kHz |
Receiver |
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| RX-range | 0.25-30 MHz | - |
143.000-148.995 MHz (A) 144.000-148.9875 MHz (E) |
| Modulations | AM CW SSB | - | FM |
| Sensitivity | ? | ? |
S/N ≤ 35 dB: 1uv S/N ≤ 20 dB: 0.35 µV SINAD ≤ 10%: 0.5 µV |
| Selectivity | ? | ? |
± 6 kHz at -6 dB ± 16 kHz at -60 dB |
| Filters | ? | ? | ? |
| Receiver system | ? | ? | Double superheterodyne |
| IF-freqs. | ? | ? |
1st: 10.7 MHz 2nd: 455 kHz |
| Image rejection | ? | ? | ≥ 70 dB |
| Audio output | ? | ? | ≥ 1.5 W @ 10% THD into 8 Ohms |
Transmitter |
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| TX-range | - | 10-80 m |
143.000-148.995 MHz (A) 144.000-148.9875 MHz (E) |
| Modulations | - | CW USB LSB | FM |
| RF-output | ? | 80-15m: 100W, 10m: 80W | High: 25 W, Low: 3 W |
Connections |
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| Antenna | - | - | SO-239 |
| Impedance | 50 Ω | 50/75Ω | 50Ω |
| Other | - | - |
5 pin DIN connector for some sort of a control interface unit. 3.5mm phono connector for external speaker (8Ω) |
Electrical |
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| Power req. | Mains | Mains (120-240 V AC) | 13.8V DC |
| Current RX | ? | - | 600 mA max |
| TX | - | 260 W max | 6.5 A max |
Physical |
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| Manufactured | Between 1971 and 1973 in USA | Between 1966 and 1975 in USA | Between 1980 and 198x |
| Dimensions | ? |
378 × 143 × 340 mm (14.88 × 5.63 × 13.39 in) |
180 × 60 × 195 mm (7.09 × 2.36 × 7.68 in) |
| Weight | ? | 12.02 kg (26.5 lbs) | 2.25 kg (5.0 lbs) body only |
| Form factor | Base Station | Unknown | Mobile |
Other features |
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| Memories | ? | ? | 10 channels in 1 bank(s) |
| Usage | Amateur / Ham radio operators | Amateur / Ham radio operators | Amateur / Ham radio operators |
| Features | ? | ? | ? |
| Accessories | ? | ? | ? |
| MPN | COLLINS-000651S-1 | HEATHKIT-SB-000401 | KDK-FM-002025A/E-MK-II |
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