| Pix | Doc | Mod | Model | Band/QRG | Mode | Year | Quicknote | 
  |   |     | 1-A | 10-80 m | SSB / CW | 1957 | One optional band | 
  
  |     |     | 2-A | 10-80 m | AM / SSB / CW | 1960 | Seven optional bands | 
 
  |     |     | 2-B | 10-80 m | AM / SSB / CW | 1961 |     | 
 
  |     |     | 2-C | 10-80 m | AM / SSB / CW | 1966 | One optional band | 
 
  |     |     | MSR-1 | 0.01-30 MHz | AM / SSB / CW / ISB | 1971 |     | 
 
  |     |     | MSR-2 | 0.01-30 MHz | AM / SSB / CW / ISB | 1974 |     | 
 
  |     |     | R-4 | 10-80 m | AM / SSB / CW | 1964 |     | 
 
  |     |     | R-4A | 10-80 m | AM / SSB / CW | 1966 |     | 
 
  |   |     | R-4B | 10-80 m | AM / SSB / CW | 1967 |     | 
 
  |   |     | R-4C | 10-80 m | AM / SSB / CW | 1973 |     | 
 
  |     |     | R-7 | 0.01-30 MHz | AM / SSB / CW | 1977 |     | 
 
  |     |     | R-7A | 0.01-30 MHz | AM / SSB / CW | 1981 |     | 
 
  |   |     | R-8 | 0.1-30 MHz | AM / Sync-AM / FM / SSB / CW / RTTY | 1991 |     | 
 
  |   |     | R-8A | 0.1-30 MHz | AM / Sync-AM / FM / SSB / CW / RTTY | 1995 |     | 
 
  |   |     | R-8B | 0.1-30 MHz | AM / Sync-AM / FM / SSB / CW / RTTY | 1997 |     | 
 
  |   |     | R-8E | 0.1-30 MHz | AM / Sync-AM / FM / SSB / CW / RTTY | 199x |     | 
 
  |     |     | R-77 | 0.01-30 MHz | AM / Sync-AM / SSB / CW | 19xx |     | 
 
  |     |     | R-8000 | 0.1-30 / 35-55 / 108-174 MHz | AM / Sync-AM / FM / SSB / CW / RTTY | 199x |     | 
 
  |     |     | RR-1 | 0.15-30 MHz (With gaps) | AM / SSB / CW | 1971 | Four optional bands | 
 
  |     |     | RR-1B | ?-? MHz | AM / SSB / CW | 19xx | Prototype? | 
 
  |     |     | RR-2 | 0.15-30 MHz | AM / SSB / CW | 1974 |     | 
 
  |     |     | RR-3 | 0.01-30 MHz | AM / SSB / CW | 1981 |     | 
 
  |     |     | SPR-4 | 0.15-30 MHz | AM / SSB / CW | 1970 |     | 
 
  |   |     | SSR-1 | 0.5-30 MHz | AM / SSB / CW | 1975 |     | 
 
  |     |     | SW-1 | 0.1-30 MHz | AM | 1996 |     | 
 
  |     |     | SW-2 | 0.1-30 MHz | AM / SSB / CW | 1997 |     | 
 
  |     |     | SW-4 | 0.5-30 MHz (In selected bands) | AM | 1966 | Transistor/tube hybrid | 
 
  |   |     | SW-8 | 0.1-30 / 87-108 / 118-137 MHz | AM / Sync-AM / SSB / WFM | 1994 |     |