Jean-Francois, I would think that you would not be able to connect the "Tenna-Dipper" to your K2 as Don has suggested. The "Tenna-Dipper" uses a CW audio generator not a "visual" driver to announce the frequency. IMHO anyway, for what it's worth (not much). Bob, VE3XM K2 S/N 02676 K2/100 S/N 04031