The TC1.5-52TG2+ from Mini Circuits is a Balun with Frequency 0.5 to 550 MHz, Insertion Loss 0.29 to 1.28 dB, Current 30 mA, Power 0.25 W, Return Loss 10.19 to 32.35 dB. Tags: Surface Mount, Unbalanced to Balanced. More details for TC1.5-52TG2+ can be seen below.