4 position coax switch for CB or Ham radio. You can use this switch to switch between 4 antennas or 4 different radios. Frequecny range: DC-1Ghz Power rating 2kw DC-30Mhz 1kw 30-200Mhz 500w 200-500Mhz 250w 500Mhz-1Ghz Insertion loss: DC-500 Mhz 70db 500Mhz-1Ghz > 60db VSWR DC-500 Mhz