The AD2700-5400-8100TR303 from Anatech Electronics is a Triplexer that operates at 2700, 5400 and 8100 MHz. It can handle an input power of up to 300 W, has an insertion loss of less than 0.5 dB in the passbands and provides over 80 dB of isolation. The triplexer is available in a module that measures 5.45 x 3.90 x 1.77 inches with N-Female connectors.