The XC2100E-10S from TTM Technologies is a Directional Coupler with Frequency 2 to 2.3 GHz, Coupling 10 to 10.1 dB, Coupling Variation ±0.40 to 0.50 dB, Directivity 21 to 23 dB, Power 155 to 165 W. Tags: Surface Mount. More details for XC2100E-10S can be seen below.