The ADT4-6T+ from Mini Circuits is a Balun with Frequency 0.06 to 300 MHz, Amplitude Balance ± 0 to 0.70 dB, Phase Balance 0.00 to 6.455 Degree, Insertion Loss 0.28 to 0.94 dB, Current 30 mA. Tags: Surface Mount, Unbalanced to Balanced. More details for ADT4-6T+ can be seen below.