The TR01-L28S184-I from Telemeter Electronic GmbH is a RF Relay with Frequency DC to 40 GHz, Coil Voltage 28 V, Current 180 to 230 mA, Insertion Loss 0.20 to 1.30 dB, Isolation 50 to 70 dB. Tags: Module with Connector. More details for TR01-L28S184-I can be seen below.