The TX4-62HP+ from Mini Circuits is a Balun with Frequency 20 to 600 MHz, Amplitude Balance ± 0.01 to 0.05 dB, Phase Balance 0.02 to 1.44 Degree, Insertion Loss 0.15 to 0.87 dB, Current 30 mA. Tags: Surface Mount, Balanced to Balanced. More details for TX4-62HP+ can be seen below.