The BD2425N5050AHF from TTM Technologies is a Balun with Frequency 2.4 to 2.5 GHz, Amplitude Balance ± 0.3 to 0.8 dB, Phase Balance 3 to 7 Degree, Insertion Loss 0.7 to 0.9 dB, Power 0.75 W. Tags: Surface Mount, Unbalanced to Balanced. More details for BD2425N5050AHF can be seen below.