| RR-6 (USA)  
| Type: | Military HF receiver |  
| Frequency range: | ?-? MHz |  
| Mode: | AM/CW |  
| Receiver system: | N/A |  
| Sensitivity: | N/A |  
| Selectivity: | N/A |  
| Image rejection: | N/A |  
| Voltage: | ? VDC |  
| Current drain: | Max ? mA |  
| Impedance: | ? ohms |  
| Dimensions (W*H*D): | ? mm |  
| Weight: | ? Kg |  
| Manufactured: | USA, 195x-195x (Discontinued) |  
| Other: | Emergency radio for U-2 pilots. Tubes See also the companion transmitter
 |  
| Related documents: |  |  
| Modifications: |  |  
| Options/Accessories: |  |  |