The IPP-5016 from Innovative Power Products is a Balun with Frequency 20 to 520 MHz, Amplitude Balance ±0.45 dB, Phase Balance ±5 Degrees, Insertion Loss 0.45 dB, Power 150 W. Tags: Surface Mount, Unbalanced to Balanced, Balanced to Unbalanced. More details for IPP-5016 can be seen below.