The FTB-1-6+ from Mini Circuits is a Balun with Frequency 0.01 to 125 MHz, Insertion Loss 0.10 to 1.29 dB, Current 30 mA, Power 0.25 W, Return Loss 6.02 to 34.28 dB. Tags: Module with Connectors, Unbalanced to Unbalanced. More details for FTB-1-6+ can be seen below.