Mini-Circuits’ TCD-20-23BD+ surface mount bi-directional coupler provides 20 dB nominal coupling with low mainline loss from 500 to 2000 MHz, supporting a wide variety of applications including UHF, GSM, ISM, GPS & PCN, Cellular and more. This coupler is built with core and wire construction mounted on a 5-lead base (0.162 x 0.150 x 0.022’’).