The BTN2560 from MECA is a Bias Tee that operates from 2.5 MHz to 6000 MHz. It has an insertion loss of under 2.2 dB, an isolation of 35 dB and a VSWR of 1.60:1. The Bias Tee can handle an input current of up to 500 mA and max DC levels of 30 V DC. It is available in a module with N-type connectors.