The R12-SFXXT18-TI from Talent Microwave Inc is a RF Switch with Frequency DC to 18 GHz, Insertion Loss 0.2 to 0.4 dB, Isolation 60 to 70 dB, Power 26.98 dBm, Power 0.5 W. Tags: Module with Connectors, Electro-Mechanical. More details for R12-SFXXT18-TI can be seen below.