The B0922J7575A50 from TTM Technologies is a Balun with Frequency 950 MHz to 2.15 GHz, Amplitude Balance ±1 to 1.4 dB, Phase Balance 3 to 9 Degree, Insertion Loss 0.8 to 1.1 dB, Power 2 W. Tags: Surface Mount, Unbalanced to Balanced. More details for B0922J7575A50 can be seen below.