The T2-1-2W-KK81+ from Mini Circuits is a Balun with Frequency 5 to 120 MHz, Insertion Loss 0.37 to 0.71 dB, Current 30 mA, Power 2 W, Return Loss 12.01 to 20.02 dB. Tags: Surface Mount, Balanced to Balanced. More details for T2-1-2W-KK81+ can be seen below.