picking an antenna - Printable Version

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+--- Thread: picking an antenna (/thread-440.html)

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picking an antenna - sghebuz - 28-12-2015

Hej everyone,

sorry for the possibly dumb question, but do you have any specific suggestion about an antenna to pick for the receiver?
I'm looking into getting all the components before settling on a board, and I've been reading good things about this kind of receiver.
I noticed you're suggesting SMA connectors for the boards, does that mean that any router antenna will work fine? Is there anything more specific for the 433MHz range?

Thanks

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RE: picking an antenna - werk_ag - 29-12-2015

(28-12-2015, 23:42)sghebuz Wrote:  Hej everyone,

sorry for the possibly dumb question, but do you have any specific suggestion about an antenna to pick for the receiver?

Hi,

You can find a lot of info about antennas suitable to use with this project in this topic:
http://www.meteocercal.info/forum/thread-216.html

(28-12-2015, 23:42)sghebuz Wrote:  I'm looking into getting all the components before settling on a board, and I've been reading good things about this kind of receiver.

That receiver is the right type to use with the WeatherDuino Pro2 receiver.
Try to find a bundle where the TX module have the pins with a right angle connector, it makes assembling easier.

(28-12-2015, 23:42)sghebuz Wrote:  I noticed you're suggesting SMA connectors for the boards, does that mean that any router antenna will work fine? Is there anything more specific for the 433MHz range?

Router antennas are not suitable, also the SMA connector is different.

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RE: picking an antenna - sghebuz - 11-01-2016

Thanks,
Sorry I tried to search the forum but couldn't find any topic, I don't know why.
So I'll try these antennas

and one of


and see which one works best for receiving (I will start with Auriol sensors).
Thanks!

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RE: picking an antenna - werk_ag - 11-01-2016

(11-01-2016, 12:32)sghebuz Wrote:  Sorry I tried to search the forum but couldn't find any topic, I don't know why.

http://www.meteocercal.info/forum/thread-216.html

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RE: picking an antenna - sghebuz - 11-01-2016

Hi,
I wanted to say that before posting I tried to search on the forum but couldn't find anything. I've then read the thread you pointed me at, and from what I've been able to understand these 2 kind of antennas should be good for RX, right?

thanks for your amazing work!

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RE: picking an antenna - werk_ag - 11-01-2016

Sorry for having misunderstood you.
I think both will work. If you choose the first type, order the version with short cable (1.5m).

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RE: picking an antenna - laulau - 19-01-2016

Hi,
Where should be the "best" antenna, on the RX or the TX unit ?

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RE: picking an antenna - Shred - 19-01-2016

(19-01-2016, 21:35)laulau Wrote:  Where should be the "best" antenna, on the RX or the TX unit ?

I guess it depends on your definition of "best". I'd put the best aerial on the Tx, because a poorly matched aerial results in a significant portion of the transmitter power being reflected back from the aerial to the transmitter. If both antennas have a good impedance match, but are of different designs, then it really doesn't matter which way around they are.

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