Outside of that, the finished product will have a bunch of other features like noise canceling, adjustable frequency levels, and text - to - speech. (theverge.com)
All generators on the grid are required to operate at a certain frequency level, McClelland explained. (scientificamerican.com)
Quickly measure signal strength, map indoor frequency levels and identify peak antenna alignment for cell phone signal boosters with the SureCall RF signal meter. (surecall.com)