DIY Biquad antenna for a 900mHz - RC Groups
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Jan 09, 2010, 07:19 PM
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DIY Biquad antenna for a 900mHz

I whant to build a 900 mHz patch tx antenna. I looked in some web pages and i found a biquad antenna for 24gHz.
Can someone please help me with the diamentions for a 900Mgz Biquad antenna for i cant find it......

Here is the diamentions for the 24mHz antenna.

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Jan 10, 2010, 04:57 AM
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Multiply everything with 24xx/910
Replace xx with a value you consider as being the middle of 2.4Ghz spectrum. maybe it is specified in the original page.
Warning: the result will be *big* ! I would go with the simple biquad or GP patch instead.
Jan 10, 2010, 05:24 AM
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But I'd recommend a bicircle - slightly smaller and higher gain -
Jan 10, 2010, 12:41 PM
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mmormota's Avatar
That 14dBi is most probably a mistake. I bet it's below 10 dBi.
Jan 14, 2010, 04:36 AM
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Hey, thanks for the reply.
I think i will try the simple biquad first.
Jan 14, 2010, 04:37 AM
Registered User

yep, could be

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