Description
The Vail Basic is the full-featured USB CW practice adapter most operators want: SAMD21 PCB, 3.5mm TRRS paddle/key input, 3.5mm audio output jack, sidetone buzzer, USB-C, in a durable 3D-printed case. Choose Assembled (ready to use) or DIY Kit ($1/unit less), and optionally add the Button Add On for computer-free control + CW memory.
Note: the Button Add On is only available with the Assembled build. DIY Kit + Button is no longer offered.
Buying for a club or group? The Vail Adapter Bulk Club Pack has 10, 15, and 20 packs of Basic or Advanced adapters at a per-unit discount.
Assembled and shipped by Brett (KE9BOS), a main contributor to the Vail project. Free shipping included.



