From Daiichi Radio Industries, the BNC type rod antenna "RHM8B", which is convenient to carry and operates at your destination. Operating principle uses SD330 to make it smaller. With a single antenna, the frequency can be changed from 7 to 50 MHz in a wide range of frequencies, so you can use it with this single piece. Frequency range from 7-50MHz Withstanding input is 120W (SSB)