The NCS2-83+ from Mini Circuits is a Balun with Frequency 3 to 8 GHz, Amplitude Balance ± 0.01 to 1.45 dB, Phase Balance 3.74 to 83.52 Degree, Insertion Loss 0.57 to 1.16 dB, Power 3 W. Tags: Ceramic, Unbalanced to Balanced. More details for NCS2-83+ can be seen below.