The TC1.33-282X+ from Mini Circuits is a Balun with Frequency 5 MHz to 2.8 GHz, Amplitude Balance ± 0.07 to 2.31 dB, Phase Balance 0.06 to 10.70 Degree, Insertion Loss 0.97 to 2.76 dB, Current 30 mA. Tags: Surface Mount, Unbalanced to Balanced. More details for TC1.33-282X+ can be seen below.