What are frequency bands and why are they important when it comes to global frequency management? What You Need To Know To keep geographical RF uses standard, there are well organized frequency bands.  Globally, there is a radio spectrum plan by ITU (International Telecommunications Union), and there are three sections worldwide. The ITU or radio regulations divide the world into three regions to manage the global radio spectrum. Each region has its own set of frequency allocations.  ITU is important because we want to keep neighboring countries and governments on the same block to frequencies.  All session notes with links to the items we talked about can be found on our website at https://www.scannerschool.com/session192 -------------------------------------------------------------- Free SDR Course! Our new free course will introduce you to Software Defined Radios. "The Ultimate Beginner's Guide to Software Defined Radio: Everything you need to know to get started with SDR in an afternoon" is now open for enrollment.  Register now at https://courses.scannerschool.com --------------------------------------------------------------- Would you like 1 on 1 help? If you need help with your scanner and are looking for some one on one tutoring, I'd love to help you out.  Visit http://www.scannerschool.com/consulting to book your one hour appointment today! -------------------------------------------------------------- Help support Scanner School You can help support Scanner School by visiting our support page at http://www.scannerschool.com/support