The 2S/2SE/2SL/2SLE 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, Operating Temperature -55 to 85 Degree C. Tags: Module with Connectors, Electro-Mechanical. More details for 2S/2SE/2SL/2SLE Series can be seen below.