Build the K2 for QRP or 100W Operation
The K2 offers efficient QRP CW operation with up to 15 watts output. Build it as a K2/100 by including the internal KPA100 option to get a full featured 100W radio.
The KPA100 kit of internal parts, including its micro-controller and heat sink fit inside the K2 cabinet. The KPA100 includes an internal speaker and a RS-232 Aux I/O computer control rig interface (equivalent to the KIO2 on the K2/10), SWR/Power metering and microprocessor controlled, silent PIN diode switched T/R.