The T2-1-X65+ from Mini Circuits is a Balun with Frequency 0.050 to 600 MHz, Insertion Loss 0.18 to 1.83 dB, Current 30 mA, Power 0.25 W, Return Loss 4.07 to 23.40 dB. Tags: Plug In, Unbalanced to Unbalanced. More details for T2-1-X65+ can be seen below.