The TC2-1TG2+ from Mini Circuits is a Balun with Frequency 3 to 300 MHz, Amplitude Balance ± 0.02 to 0.53 dB, Phase Balance 0.54 to 2.44 Degree C, Insertion Loss 0.33 to 0.80 dB, Current 30 mA. Tags: Surface Mount, Unbalanced to Balanced. More details for TC2-1TG2+ can be seen below.