The BD0922J75100A00 from Anaren Inc is a Balun with Frequency 900 MHz to 2.2 GHz, Amplitude Balance ± 0.8 dB, Phase Balance 4.67 Degree, Insertion Loss 1.64 dB, Power 2 W. Tags: Surface Mount, Unbalanced to Balanced. More details for BD0922J75100A00 can be seen below.