The BT-51-400D from Pulsar Microwave is a Bias Tee that operates from 30 kHz to 27 GHz. It has an insertion loss of under 2.2 dB, an isolation of over 40 dB and a VSWR of 1.80:1. The Bias Tee can handle an input power of up to 1 W with Max DC Voltage Handling of 25 V. It is available in a module with 2.92 mm female connectors.