SUPER Tuna Prototype Band ModulePrice: $10.00
Roll your own band module and put the SUPER Tuna transmitter where YOU want to play. Kit contains a blank band module board, right angle connectors, three T37-2 ,three T37-6 toroids and 6 feet of magnet wire. Use the values developed by Ed Wehterhold or roll your own design using a program like ELSIE. Below is a link to the GQRP Club site containing a George Dobbs \'everything you need to know\' article on designing low pass harmonic filters for your QRP transmitter.
Obtain the required capacitors, wind some toroids and you are in business...