BGC100GN6 Wideband Directional Coupler IC Infineon Technologies BGC100GN6 Wideband Directional Coupler IC is designed for 2G/3G/4G RF front-end applications. The BGC100GN6 has a bidirectional coupler operating in one or multiple bands within the 0.6 to 2.7GHz frequency range. The coupled output contains a low-pass filter for 5GHz ISM blockers suppression. The coupler offers low insertion loss and high directivity.