Transco SPDT M1460- 4 Ham Radio VHF UHF HF Antenna Switch 4 positions
Great for HF, VHF, UHF. At 10 MHz, typical isolation is >80 dB (the actual is close to 100dB). 1.05 and Insertion Loss 0.05 dB. Some switches are rated for use at up to 10 GHz with maximum power of 300W CW at 3 GHz! On the HF frequencies, this translates to more than 3 kW (in practice it is only limited by the N type connector power ratings).