The T1.5-1-X65+ from Mini Circuits is a Balun with Frequency 0.1 to 300 MHz, Insertion Loss 0.36 to 1.96 dB, Current 30 mA, Power 0.25 W, Return Loss 6.70 to 24.68 dB. Tags: Plug In, Balanced to Balanced. More details for T1.5-1-X65+ can be seen below.