The QBAL-500K-6000-1 from Qualwave is a Balun with Frequency 0.5 to 6000 MHz, Amplitude Balance ±1.2 dB, Phase Balance ±10 Degree, Phase_Shift 180 Degree, Common Mode Rejection 20 dB. Tags: Module with Connectors. More details for QBAL-500K-6000-1 can be seen below.