Discovery TX-500 Adapter
Fits 5 pin connection for CW Key
by Bob W2ENY

$30 Complete
Includes shipping when paid by check or money order

Robert Langston
286 Hudson Street
Cornwall-on-Hudson, N.Y.  12520

Or you can pay with paypal, then you pay shipping

For sales shipping outside the US, please see my listing on ebay

CW Key connection from the TX500 Manual: