The 685-080230-020 from M2 Global Technology is a Directional Coupler with Frequency 800 MHz to 2.3 GHz, Coupling 20 dB, Coupling Variation ±1.25 dB, Frequency Sensitivity ±0.50 dB, Directivity 20 dB. Tags: Module with Connectors. More details for 685-080230-020 can be seen below.