The FMWMT1005 from Fairview Microwave is a Waveguide Tee with Frequency 26.5 to 40 GHz, Isolation 15 to 25 dB, Insertion Loss 0.5 dB, Isolation(Co-linear arms) 15 dB (Collinear), Isolation(E & H arms) 25 dB (E-H). Tags: Magic Tee. More details for FMWMT1005 can be seen below.