The MACPCT0038 from MACOM is a Directional Coupler with Frequency 5 to 870 MHz, Coupling 17 to 17.4 dB, Coupling Variation ± 0.4 dB, Directivity 9 to 40 dB, Insertion Loss 0.4 to 0.6 dB. Tags: Surface Mount. More details for MACPCT0038 can be seen below.