The ADT4-1WT+ from Mini Circuits is a Balun with Frequency 2 to775 MHz, Amplitude Balance ± 0 to 0.28 dB, Phase Balance 0.00 to 14.98 Degree, Insertion Loss 0.75 to 2.51 dB, Current 30 mA. Tags: Surface Mount, Unbalanced to Balanced. More details for ADT4-1WT+ can be seen below.