Dosy SW-4 Antenna Switch Box USA Manufactured Allows Use of 4 Different Antennas with 1 Radio Use a Beam Vertical-Horiz.-and 2 Omni Directional Antennas Use 4 Radios with 1 Main Antenna Table Top Mounting All New Design. Incorporates a PC Board with Automatic SWR Compensation Low Insertion Loss 1KW RF Power Handling Heavy Duty Switch