The T1-6-KK81+ from Mini Circuits is a Balun with Frequency 0.01 to 150 MHz, Insertion Loss 0.13 to 2.43 dB, Current 30 mA, Power 0.25 W, Return Loss 2.57 to 26 dB. Tags: Surface Mount, Balanced to Balanced. More details for T1-6-KK81+ can be seen below.