The DC1301005000GA from Sainty-Tech Communications Limited is a Directional Coupler with Frequency 1 to 50 GHz, Coupling 13 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±1.6 dB, Directivity 8 to 10 dB. Tags: Module with Connectors. More details for DC1301005000GA can be seen below.