The DL1 dummy load can handle a full 20 watts (continuous) and more intermittently. Its SWR is less than 1.3:1 through 225 MHz. It includes an integral RF detector for use with a voltmeter, allowing you to accurately calculate transmit power.
A: Yes. This dummy load is rated for all 3 of the Transmit Calibration Procedures called for during the building of the K3 and K3S transceivers.
A: Yes. This is a handy, lightweight dummy load designed for QRP radios of all kinds.