The ADT3-1T-75+ from Mini Circuits is a Balun with Frequency 1 to 500 MHz, Amplitude Balance ± 0.01 to 0.72 dB, Phase Balance 0.04 to 2 Degree, Insertion Loss 0.57 to 1.02 dB, Current 30 mA. Tags: Surface Mount, Unbalanced to Balanced. More details for ADT3-1T-75+ can be seen below.