The MT 10-SQB-(**)-B from The Waveguide Solution is a Waveguide Tee with Frequency 2.6 to 3.95 GHz, Isolation 18 to 35 dB, Isolation(Co-linear arms) 35 dB, Isolation(E & H arms) 18 dB. Tags: Magic Tee. More details for MT 10-SQB-(**)-B can be seen below.