The ADTL1-15-75+ from Mini Circuits is a Balun with Frequency 10 MHz to 1.5 GHz, Amplitude Balance ± 0 to 0.58 dB, Phase Balance 0.28 to 2.37 Degree, Insertion Loss 0.53 to 1.22 dB, Current 30 mA. Tags: Surface Mount, Balanced to Balanced. More details for ADTL1-15-75+ can be seen below.