HF receiver of Soviet production, entered the equipment of the Polish Army in the early 70s last. Century. It is built exclusively on germanium semiconductor devices and subminiature lamps.
After closing the cover of the front and rear is fully hermetic, it remains water (floating).
| Frequency range | 1 - 20 MHz |
| Modulation | amplitude modulation (AM) single-sideband modulation (SSB) telegraphy (CW) |
| Frequency change | fluent tuning, optical resolution of the scale 2 or 5 or 10 kHz, depending on the sub-range |
| Work | without seeking and tuning ensured by built-in crystal calibrator and high stability heterodyne |
| Intermediate frequency | 460/2200 kHz |
| Sensitivity | for receiving audio no worse than 4 μV for receiving telegraph no worse than 2 μV |
| Power | with the internal batteries of 2.5 V / 20 Ah or the AC adapter |
| Work time | 15 hours, with occasional optical switching frequency scale (on one set of batteries) |
| Weight | approx. 16 kg |
| Temperature range | -50 to + 50 °C |
