The TMO-2.5-6T+ from Mini Circuits is a Balun with Frequency 0.01 to 100 MHz, Insertion Loss 0.15 to 2.16 dB, Current 30 mA, Power 0.25 W, Return Loss 6.47 to 34.17 dB. Tags: Plug In, Unbalanced to Balanced. More details for TMO-2.5-6T+ can be seen below.