The BD0922J75100AHF from TTM Technologies is a Balun with Frequency 900 MHz to 2.2 GHz, Amplitude Balance ±0.55 to 0.8 dB, Phase Balance 2.66 to 4.67 Degree, Insertion Loss 1.3 to 1.64 dB, Power 2 W. Tags: Surface Mount, Balanced to Unbalanced. More details for BD0922J75100AHF can be seen below.