The BD2425N50200AHF from TTM Technologies is a Balun with Frequency 2.4 to 2.5 GHz, Amplitude Balance ±0.5 to 1 dB, Phase Balance 2 to 6 Degree, Insertion Loss 0.6 to 0.7 dB, Power 1 W. Tags: Surface Mount, Unbalanced to Balanced. More details for BD2425N50200AHF can be seen below.