Mini-Circuits’ BDCH-25-33+ is a high-power bi-directional coupler providing high power handling up to 150 W and mainline loss of 0.2 dB. High directivity of 28 dB provides accurate sampling from the coupled port, and 31 dB return loss provides excellent matching over full frequency range. Covering frequencies from 800 to 3000 MHz, the model supports a wide variety of applications from power amplifiers and antenna feeds to various digital communications and more. The coupler is designed into an open printed laminate (1.00” x 0.50” x 0.051”) with wrap-around terminations for good solderability and easy visual inspection.