The 101040010-SQ from KRYTAR is a Directional Coupler with Frequency 1 to 4 GHz, Coupling 10 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±1.2 dB, Directivity 10 to 14 dB. Tags: Module with Connectors. More details for 101040010-SQ can be seen below.