The TMO-2-1T+ from Mini Circuits is a Balun with Frequency 0.07 to 200 MHz, Insertion Loss 0.39 to 2.89 dB, Current 30 mA, Power 0.25 W, Return Loss 4.8 to 20.81 dB. Tags: Plug In, Unbalanced to Balanced. More details for TMO-2-1T+ can be seen below.