The B0322J5050AHF from TTM Technologies is a Balun with Frequency 300 MHz to 2.2 GHz, Amplitude Balance ±0.4 to 1.3 dB, Phase Balance 9 to 21 Degree, Insertion Loss 1.1 to 1.6 dB, Power 2 W. Tags: Surface Mount, Balanced to Unbalanced. More details for B0322J5050AHF can be seen below.