The MT 15-SQB-(**)-B from The Waveguide Solution is a Waveguide Tee with Frequency 7.05 to 10 GHz, Isolation 15 to 35 dB, Isolation(Co-linear arms) 15 dB, Isolation(E & H arms) 35 dB. Tags: Magic Tee. More details for MT 15-SQB-(**)-B can be seen below.