The BALH-0009SMG from Marki Microwave is a Balun with Frequency 500 kHz to 9 GHz, Impedance Ratio (Num) 1:1, Amplitude Balance 0.8 to 1.6 dB, Phase Balance 5 to 12 Degrees, Phase_Shift 180 Degrees. Tags: Surface Mount, Balanced to Unbalanced. More details for BALH-0009SMG can be seen below.