The T2.5-6-KK81+ from Mini Circuits is a Balun with Frequency 0.01 to 100 MHz, Insertion Loss 1.18 to 2.90 dB, Current 30 mA, Power 0.25 W, Return Loss 3 to 21.42 dB. Tags: Surface Mount, Balanced to Balanced. More details for T2.5-6-KK81+ can be seen below.