Hendricks QRP Kits TwoFer-Plus CW Transmitter
The Hendricks QRP Kits TwoFer-Plus is a simple single-band, crystal-controlled QRP CW transmitter that can be ordered for 40, 30, or 20 meters.
The Two-Fer was a classic transmitter design promoted by QRP Amateur Radio Club International in the 1980s. The Hendricks design has been updated and modernized to meet FCC spectral purity specifications.
The kits come with crystals in the QRP region of the band. The TwoFer-Plus power output is about 1 watt via a 2N3053 final transistor.