The ADT2-1T+ from Mini Circuits is a Balun with Frequency 0.4 to 450 MHz, Amplitude Balance ± 0.08 to 0.92 dB, Phase Balance 0.13 to 2.76 Degree, Insertion Loss 0.30 to 1.25 dB, Current 30 mA. Tags: Surface Mount, Unbalanced to Balanced. More details for ADT2-1T+ can be seen below.