The TMO-13-1T+ from Mini Circuits is a Balun with Frequency 0.3 to 120 MHz, Insertion Loss 0.76 to 2.63 dB, Current 30 mA, Power 0.25 W, Return Loss 1.97 to 14.21 dB. Tags: Plug In, Unbalanced to Balanced. More details for TMO-13-1T+ can be seen below.