The TC1-1G2+ from Mini Circuits is a Balun with Frequency 1.5 to 500 MHz, Insertion Loss 0.60 to 2.06 dB, Current 30 mA, Power 0.25 W, Return Loss 10.10 to 14.35 dB. Tags: Surface Mount, Balanced to Balanced. More details for TC1-1G2+ can be seen below.