Re: Waveguide (was "size a major consideration...") [Telecom]

> Wave guide would be a lot more efficient but for the frequencies > used for cellular (850-900 Mhz), or even the PCS bands (~2000 MHz) > it would be impractical due to size. > "Heliax" (Andrews trade name) as used on cell towers is actually a > hard line coax, not wave guide. There is a w/g product thats very > hard to tell from the hardline from more than a few feet away but > the w/g generally has an oval cross section where the hardline is > round. The lowest frequency I've seen the w/g used for is 6 GHz.

I stand corrected. And I understand your po > I thought the big "lightning flash" was a generic warning logo for > any microwave transmitter? (having seen them on the Telco towers > here in Australia).

The red lightning flash is Andrew Corporation's corporate logo. Andrew is now a subsidiary of CommScope, but it still uses the same logo.

Neal McLain

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Posted 5 years ago by Neal McLain in General Telecommunications Forum

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