| Type: | HF receiver |
| Frequency range: | 0.17-30 MHz |
| Mode: | AM/SSB/CW |
| Receiver system: | N/A |
| Sensitivity: | N/A |
| Selectivity: | N/A |
| Image rejection: | N/A |
| Voltage: | 13.8 VDC, mains or 8 x LR20 |
| Current drain: | ? mA |
| Impedance: | 50 ohms, SO-239 |
| Dimensions (W*H*D): | ? mm |
| Weight: | ? Kg |
| Manufactured: | Japan, 1976-1979 (Discontinued) |
| Other: | This is basically an updated QR-666 with a new front panel |
 R-300_user_manual.pdf | 1878 kB |
