The TCN4-13+ from Mini Circuits is a Balun with Frequency 650 MHz to 1.25 GHz, Amplitude Balance ± 0.12 to 0.80 dB, Phase Balance 0.02 to 8.33 Degree, Insertion Loss 0.69 to 1.16 dB, Power 5 W. Tags: Surface Mount, Balanced to Balanced. More details for TCN4-13+ can be seen below.