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babak_p

mobile antenna 2G-3G-4G Antenna(850Mhrz)

37 posts in this topic
On 6/24/2023 at 1:33 AM, Admin said:

screenshot_326.thumb.png.a3df9bc70d60eea3f621121760065b79.png

Hello!

Is the decrease in the size of "Db"? Suppose to make it not 27mm, but reduce to 8-10mm. How can this change affect the characteristics of the antenna? What material can we make this element?

IMG_20230704_092258.jpg

Edited by askot

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,,,yes, it is possible and the characteristics of the antenna are not changed too much...!!!
,,,any material (pipe) other than the insulator...!!!

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13 hours ago, Admin said:

,,,yes, it is possible and the characteristics of the antenna are not changed too much...!!!
,,,any material (pipe) other than the insulator...!!!

OK. Thank You!

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On 24.06.2023 at 00:33, Admin said:

screenshot_326.thumb.png.a3df9bc70d60eea3f621121760065b79.png

Is it possible to use 2 cables for the antenna?

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,,,yes, it is possible, but the isolation between the two ports is not good, so two antennas with different polarizations(Horizontally+
Vertical) would be preferable...!!!

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3 hours ago, Admin said:

,,,да, это возможно, но изоляция между двумя портами плохая, поэтому две антенны с разной поляризацией (горизонтально+
вертикально) будут предпочтительнее...!!!

And at what distance should they be placed?

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Do you have drawings of an antenna with a 50 ohm cable?

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,,,here, on this forum, you will find what interests you...!!!

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