Pix | Doc | Mod | Model | Band/QRG | Mode | Max O/P | Year | Quicknote |
| | | K1 | 15-80 m | CW | +5 W | 1998 | Two or four selected bands |
| | | K2 | 10-80 m | SSB / CW | 15 W | 1998 | 160 m and DSP options |
| | | K2 / 100 | 10-80 m | SSB / CW | 100 W | 1999 | 160 m and DSP options |
| | | K3 / 10 | 10-160 m + WARC / 6 m | AM / FM / SSB / CW / Data / AFSK | 12 / 8 W | 2007 | IF DSP |
| | | K3 / 100 | 10-160 m + WARC / 6 m | AM / FM / SSB / CW / Data / AFSK | 100 / 100 W | 2007 | IF DSP |
| | | K3s / 10 | 10-160 m + WARC / 6 m | AM / FM / SSB / CW / Data / AFSK | 12 / 8 W | 2015 | IF DSP |
| | | K3s / 100 | 10-160 m + WARC / 6 m | AM / FM / SSB / CW / Data / AFSK | 100 / 100 W | 2015 | IF DSP |
| | | K4 | 10-160 m + WARC / 6 m | AM / FM / SSB / CW / Data | 100 / 100 W | 2019 | SDR technology |
| | | K4D | 10-160 m + WARC / 6 m | AM / FM / SSB / CW / Data | 100 / 100 W | 2019 | SDR technology and diversity |
| | | K4HD | 10-160 m + WARC / 6 m | AM / FM / SSB / CW / Data | 100 / 100 W | 2019 | SDR tech, diversity + dual superhet module |
| | | KH1 | 15-40 m | CW | 5 W | 2023 | RX: 6.7-22 MHz SSB/CW |
| | | KX1 | 20 & 40 m | CW | 4 W | 2003 | 30 m option |
| | | KX2 | 10-80 m + WARC | SSB / CW / Data | 10 W | 2016 | DSP, SDR |
| | | KX3 | 10-160 m + WARC / 6 m | AM / FM / SSB / CW / Data | 10 / 10 W | 2011 | DSP, SDR |