The MABA-011115 from MACOM is a Space Qualified RF Balun with Frequency 5 MHz to 3 GHz, Impedance Ratio (Num) 1:1, Amplitude Balance ±1.5 dB, Phase Balance ±10 Degrees, Insertion Loss 0.7 to 3.5 dB. Tags: Surface Mount, Unbalanced to Balanced. More details for MABA-011115 can be seen below.