R-311 (USSR)
| Type: | Military HF receiver |
| Frequency range: | 1-15 MHz in five bands |
| Mode: | AM/CW |
| Receiver system: | Single-conversion superheterodyne |
| Sensitivity: | N/A |
| Selectivity: | N/A |
| Image rejection: | N/A |
| Voltage: | Internal NiCd batteries and vibrator supply unit |
| Current drain: | Max 1 A (lamp on), <0.5 A (lamp off) |
| Impedance: | ? ohms |
| Dimensions (W*H*D): | ? mm |
| Weight: | ? Kg |
| Manufactured: | USSR, 195x-196x |
| Other: | This receiver does NOT feature AGC |
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