| Compatible Brand | For Elecraft |
|---|---|
| Brand | Elecraft |
| Type | panadapter |
| Band | AM, FM, HF |
Check the listing for details. Elecraft KSYN3A K3 K3S UPDATED Synthesizer Option board. Condition: Used. Listed at 360.99 USD. If you want to upgrade your K3 to close to a K3S,you may want this. These have been discontinued at Elecraft. Or,if you are adding a sub receiver to your K3S,you will also need one of these.