The ADT2-71T+ from Mini Circuits is a Balun with Frequency 0.005 to 70 MHz, Amplitude Balance ± 0 to 0.54 dB, Phase Balance 0.02 to 2.82 Degree, Insertion Loss 0.04 to 1 dB, Current 30 mA. Tags: Surface Mount, Unbalanced to Balanced. More details for ADT2-71T+ can be seen below.