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