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Admin

MIMO antenna 4G LTE 1800 Mhz

68 posts in this topic

Sin título.jpg

 

IF these are ok...is poor ISP service...also try http://Fast.com with all settings on...to compare...

Edited by clanon

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On 11/9/2019 at 9:43 PM, Admin said:

,,, a variant with more exact dimensions ... !!!

 

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", and if you want a cross-polarization  you can use this solution...

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Добрый день!

А если чуть уменьшить размеры и сдвинуть резонанс вверх и перекрыть диапазон 1800-2100?

 

,,,Good day!

And if you slightly reduce the size and shift the resonance up and cover the range of 1800-2100?

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,,,hi buddy...!!!

,,, yes, you can, but I think there is such an antenna on this site...!!!

,,, and please, speak english...!!!

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,,,,for Christmas,a UWB variant for a user friend sa3500...

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bipatch_04.jpg

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Thanks for the antenna.
How to take the size of the reflector? And are side walls needed?

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,,,, oh, sorry, the dimensions of the reflector 1x220x220mm...!!!

,,,if you want you can put side walls inclined at 17-19 degrees and width of 50mm ...!!!

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"I like it, the construction looks very nice...!!!

,,, okay, but I see that you have also put wings, let's see how it behaves ..!!!

,,,,what is the width of the wings ... ??

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wing width - 50 mm

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This one turned out to be better for 1800

foto 1.jpg

 

Edited by sa3500
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,,,the wings are inclined by 17-19 degrees ... ???

,,,,it has to work...!!!

 

bipatch_01.jpg

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Good afternoon; thank you ADMIN Thank you for  scheme &  measurements of MIMO antenna 4G LTE 1800 Mhz

I realized and give me a nice result :D 

 

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Newbie question:

Would mesh work for the ground/reflector here?

I'm looking to make a pair of these for testing (and practice) but am a little short on sheet metal at the moment.

EDIT - 77.jpg.81f177a11f3ee5c11dd7a6330f2ad6b9.jpg

Edited by BurgHammer

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,,, yes, you can use the mesh instead of the reflector,but with the square of 10x10 mm...!!

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Darn.

Oh well, guess I'll have to make a trip to the hardware store after all...

How critical is the reflector thickness? 0.5mm zinc-plated steel is easy to get where I live, thicker is pretty much mail order only.

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,,, the thickness of the reflector does not matter...!!!

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Hi Admin,

i was looking for a 2500mhz antenna and i came across with this antenna and just want to verify if my understanding of the measurement is correct

R = 165mm

Patch = 64mm

d1 = 43mm

fp = 9.3mm

space from reflector to patch = 6.5mm

distance from reflector to d1 = 31mm

 

thanks admin.

 

2500mhz.jpg

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Yes it's OK...!!!

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