FAQ for LNB / LNBF: What does LNB and LNBF stand for? LNB stands for Low Noise Block. LNBF stands for Low Noise Block Feed. What is the difference between LNB and LNBF? LNB usually only receives signal from 1 polarity (Vertical or Horizontal for Linear FSS and Right or Left for Circular DSS) A good example of of a LNB is our 211. Usually Vertical and Right polarities operate on 13V DC and Horizontal and Left polarities operate on 18V DC. What is the difference between a Standard Ku band LNBF, Normal Ku band LNBF, and Universal Ku band LNBF? There are 3 main types of LNBF's. The first is Standard. Standard & Normal LNB and LNBF's are the same. They are FSS linear and the frequency range is from 11.7GHz to 12.2GHz. The second type of LNB/F is Universal. The frequency range for a universal LNBF is 10.7GHz to 12.75GHz. This is more popular in Europe and the Middle East because their satellite broadcast within the 10.70GHz to 12.75GHz. Th...