With reverse protection The switch has a reverse polarity safety feature that automatically protects unused antenna ports. ^^ Designed for the IC 705 shortwave radio, it supports a frequency range of 1 to 30 MHz, the maximum power rating of 100W. ^^ The switch direction corresponds to the selected antenna, and one machine corresponds to two antennas. ^^ Dual directional coaxial switch allows seamless use between two CB HAM antennas. ^^ Folding tripod for easy head-up operation, Silicone foot pads for the radio to lay flat.