The TCM2-33X+ from Mini Circuits is a Balun with Frequency 30 MHz to 3 GHz, Amplitude Balance ± 0.03 to 1.10 dB, Phase Balance 0.10 to 5.38 Degree, Insertion Loss 1.27 to 2.10 dB, Current 30 mA. Tags: Surface Mount, Unbalanced to Balanced. More details for TCM2-33X+ can be seen below.