RadioBanter - View Single Post - How I would like to change the cell phone industry [was AM electromagnetic waves: 20 KHz modulation frequency on an astronomically-low carrier frequency]

Jeff Liebermann[_2_]

hath wroth:

John Navas wrote:
No radio engineer would agree.

I are an radio/RF/wireless/communications/whatever engineer and I
agree with John Navas that cellular is nowhere near 3GHz.

That should have been about 30%, but in any case, I am an engineer
and there isn't a whole hell of a lot of anything different between
1.9 GHz and 3 GHz.

Baloney. See:
http://www.ntia.doc.gov/osmhome/allochrt.pdf
http://www.fcc.gov/oet/spectrum/table/fcctable.pdf
Zoom in to the area between 1.9GHz and 3.0GHz. There's a huge amount
of point to point, wi-fi, WiMax, satellite, XM/Serius, radar,
military, etc, stuff in that area. That's also where Sprint and
others have recently purchased bandwidth for advanced data services.

What? Some trivial differences in path losses? Antennas a bit different
in size by what, 4 mm unless I slipped a decimal point in my head?

There's no disgrace in admiting that you've made a misake. There's
plenty in trying to bluster your way out of admitting it followed by
trying to trivialize your mistake.

--
Jeff Liebermann
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558