The SFMP-5075+ from Mini Circuits is a Balun with Frequency DC to 2.5 GHz, Insertion Loss 0.01 to 0.40 dB, Current 350 mA, VSWR 50 omhs: 1.20:1 to 1.50: 1, 75 ?: 1.16:1 to 1.50:1. Tags: Module with Connectors, Unbalanced to Unbalanced. More details for SFMP-5075+ can be seen below.