The TCM1-63AX+ from Mini Circuits is a Balun with Frequency 10 MHz to 6 GHz, Amplitude Balance ± 0.06 to 1.39 dB, Phase Balance 0.57 to 10.99 Degree, Insertion Loss 1.16 to 1.80 dB, Current 30 mA. Tags: Surface Mount, Balanced to Balanced. More details for TCM1-63AX+ can be seen below.