The ZX85-40W-63+ from Mini-Circuits is a bias tee that operates from 700 MHz to 6000 MHz. This bias tee can handle up to 1A DC current at the input and up to 40 watts of power. It has a low insertion loss of 0.5 dB with a DC-RF Isolation of 33 dB.
The ZX85-40W-63+ is available in a compact rugged module that measures 0.74 x 0.75 x 0.46 inches. It can be used for biasing amplifiers, laser diodes, active antennas and many other devices