The DC3002000240GN from Sainty-Tech Communications Limited is a Directional Coupler with Frequency 2 to 2.4 GHz, Coupling 30 dB, Coupling Variation ±0.8 dB, Frequency Sensitivity ±0.8 dB, Directivity 20 dB. Tags: Module with Connectors. More details for DC3002000240GN can be seen below.