Use HF, 6M, 2M, 440 MHz and 1.2 GHz antennas with rigs without a built-in
triplexer. Or use 3 different radios with one HF/VHF/UHF/1.2 GHZ antenna.
Heavy-duty diecast, low pass networks separate/combine HF/6M, 144/440 MHz
and 1.2 GHz signals. Ports are 50 Ohms, 200, 500 and 800 Watts PEP.