The TMO-2.5-6+ from Mini Circuits is a Balun with Frequency 0.01 to 100 MHz, Insertion Loss 0.17 to 2.29 dB, Current 30 mA, Power 0.25 W, Return Loss 5.13 to 33.88 dB. Tags: Plug In, Balanced to Balanced. More details for TMO-2.5-6+ can be seen below.
