The T-622+ from Mini Circuits is a Balun with Frequency 0.1 to 200 MHz, Insertion Loss 0.54 to 1.73 dB, Current 30 mA, Power 0.25 W, Return Loss 8.82 to 26.30 dB. Tags: Surface Mount, Unbalanced to Balanced. More details for T-622+ can be seen below.