The MACP-009945-CH0670 from MACOM is a Directional Coupler with Frequency 5 to 1200 MHz, Coupling 17.5 to 19.5 dB, Coupling Variation ±0.5 to ±1.5 dB, Directivity 4 to 40 dB, Insertion Loss 0.5 to 1.6 dB. Tags: Surface Mount. More details for MACP-009945-CH0670 can be seen below.