The T14-1+ from Mini Circuits is a Balun with Frequency 0.15 to 250 MHz, Insertion Loss 0.54 to 3.28 dB, Current 30 mA, Power 0.25 W, Return Loss 0.76 to 16.38 dB. Tags: Surface Mount, Unbalanced to Unbalanced. More details for T14-1+ can be seen below.