The ADT1-1WT+ from Mini Circuits is a Balun with Frequency 0.4 to 800 MHz, Amplitude Balance ± 0 to 1.72 dB, Phase Balance 0.25 to 2.02 Degree, Insertion Loss 0.38 to 2.44 dB, Current 30 mA. Tags: Surface Mount, Unbalanced to Balanced. More details for ADT1-1WT+ can be seen below.