The ADTT1-1+ from Mini Circuits is a Balun with Frequency 0.3 to 300 MHz, Amplitude Balance ± 0.01 to 0.47 dB, Phase Balance 0.05 to 1.89 Degree, Insertion Loss 0.27 to 2.18 dB, Current 30 mA. Tags: Surface Mount, Unbalanced to Balanced. More details for ADTT1-1+ can be seen below.