The XC2100A-30S from TTM Technologies is a Directional Coupler with Frequency 1.45 to 2.3 GHz, Coupling 30 to 31 dB, Coupling Variation ±0.60 to 2 dB, Directivity 20 to 22 dB, Power 105 to 120 W. Tags: Surface Mount. More details for XC2100A-30S can be seen below.