The BT-50K18 Option 100V from American Microwave Corporation is a Bias Tee with Frequency 50 KHz to 18 GHz, Max. Voltage 100 V, Max Current 50 mA (0 to 0.05 A), Insertion Loss 1.5 dB, Isolation 60 dB. Tags: Module with Connector. More details for BT-50K18 Option 100V can be seen below.