The NCS1.5-232+ from Mini Circuits is a Balun with Frequency 400 MHz to 2.3 GHz, Amplitude Balance ± 0.09 to 0.86 dB, Phase Balance 2.35 to 10.26 Degree, Insertion Loss 0.65 to 1.12 dB, Power 2 W. Tags: Ceramic, Unbalanced to Balanced. More details for NCS1.5-232+ can be seen below.