The QBAL-10-90000 from Qualwave is a Balun with Frequency 0.01 to 90 GHz, Amplitude Balance ±1 dB, Phase Balance ±7 Degree, Phase_Shift 180 Degree, Common Mode Rejection 27.5 dB. Tags: Module with Connectors. More details for QBAL-10-90000 can be seen below.