The ATEK263N3 from ATEK MIDAS is a RF Switch with Frequency DC to 28 GHz, Insertion Loss 1.1 to 2.8 dB, Isolation 42 to 61 dB, Control Voltage -5 V, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, Solid State. More details for ATEK263N3 can be seen below.