The BD2425N5075AHF from TTM Technologies is a Balun with Frequency 2.4 to 2.5 GHz, Amplitude Balance ±0.3 to 0.9 dB, Phase Balance 1 to 3 Degree, Insertion Loss 0.7 to 0.9 dB, Power 1 W. Tags: Surface Mount, Unbalanced to Balanced. More details for BD2425N5075AHF can be seen below.