The TCM2-672X+ from Mini Circuits is a Balun with Frequency 1.7 to 6.7 GHz, Amplitude Balance ± 0.09 to 1.02 dB, Phase Balance 0.17 to 6.95 Degree, Insertion Loss 0.68 to 1.30 dB, Current 30 mA. Tags: Surface Mount, Balanced to Balanced. More details for TCM2-672X+ can be seen below.