The XMC0204P2-30G from TTM Technologies is a Directional Coupler with Frequency 2.3 to 4 GHz, Coupling 30 dB, Coupling Variation ±1.5 dB, Frequency Sensitivity ±0.25 dB, Directivity 20 dB. Tags: Surface Mount. More details for XMC0204P2-30G can be seen below.