Makers of QRP HF General Coverage Transceiver you can build. The Home of BITX transceivers, µBITX General Coverage Receiver-Transmitter. . A general coverage, 10 watts HF SSB/CW transceiver kit with features you NEED for operating ease, convenience and versatility. It works from 3 MHz to 30 MHz, with up to 10 watts on SSB and CW, with a very sensitive receiver.