The BD2425N50100AHF from TTM Technologies is a Balun with Frequency 2.4 to 2.5 GHz, Amplitude Balance ±0.2 to 0.6 dB, Phase Balance 1 to 3 Degree, Insertion Loss 0.6 to 0.7 dB, Power 1 W. Tags: Surface Mount, Unbalanced to Balanced. More details for BD2425N50100AHF can be seen below.