The TF/TFE Series from Ducommun is a RF Switch with Frequency DC to 26.5 GHz, Insertion Loss 0.20 to 0.50 dB, Isolation 50 to 80 dB, Supply Voltage 12 to 28 V, Switching Speed 15 to 35 mS. Tags: Module with Connectors, Electro-Mechanical. More details for TF/TFE Series can be seen below.