The MABA-011030 from MACOM is a Balun with Frequency 46 MHz to 1.002 GHz, Amplitude Balance 0.8 dB, Phase Balance 2.4 Degree, Insertion Loss 0.1 dB, Return Loss 14 dB. Tags: Surface Mount, Unbalanced to Balanced. More details for MABA-011030 can be seen below.