The MT 17-SQB-(**)-B from The Waveguide Solution is a Waveguide Tee with Frequency 10.7 to 11.7 GHz, Isolation 19 to 33 dB, Isolation(Co-linear arms) 19 dB, Isolation(E & H arms) 33 dB. Tags: Magic Tee. More details for MT 17-SQB-(**)-B can be seen below.