The ADT1.5-17+ from Mini Circuits is a Balun with Frequency 0.5 MHz to 1.7 GHz, Insertion Loss 0.35 to 1.47 dB, Current 30 mA, Power 0.25 W, Return Loss 10.16 to 24.78 dB. Tags: Surface Mount, Unbalanced to Unbalanced. More details for ADT1.5-17+ can be seen below.