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Admin

Bester Antenna

118 posts in this topic

,,, so do you want ... ???

screenshot_144.png

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Nice Great job , first time I see this design I mean other design jomy  with higher gain I ll try to find it

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Posted (edited)

The  reflecter (130mm) DV (95mm) .first Direct ( 82mm)   2nd directer 56mm diameter and  ( 0- 7-8-39) of spacing like in BDM 2 1800 but the other directors are made of wire preferably with dielectric Boom if you can do optimisation in SISo system. Thanks by advance.

Edited by Hamza
1800

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Posted (edited)

On 5/15/2019 at 8:44 PM, Admin said:

More gain;

Improved radiation pattern;

More stable operating parameters;

Greater reliability;

Superior mechanical characteristics.

Is miniaturized.

 

cf6f.jpg

 

 

i try draw just got 7,7 dbi. i use copper disc and steel bolt.

can you corret me dude?

tembak.jpg

Edited by shosu.dsan@gmail.com
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sorry we talk about 1800 BDM2 SISO  with wire directors ?!!!!!!!!!!!!! your model is already existed and discussed in the forum search well

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1 hour ago, shosu.dsan@gmail.com said:

 

i try draw just got 7,7 dbi. i use copper disc and steel bolt.

can you corret me dude?

the deformations are caused by the bar (rod) in the middle...using REAL METALS instead of PEC would give less gain and  efficiency

 

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On 30/11/2016 at 23:18, Admin said:

 Một ăng-ten 3G Bester ở tiêu điểm của phần bù parabol ...

 

3G ??????????.jpg

45.jpg

IMG_20150711_114522.jpg

 

IMG_20210604_103145.jpg

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Posted (edited)

On 5/7/2019 at 11:07 AM, Admin said:

,,,for this antenna, if there is put two directors again, you get a good one...!!!

89.jpg

Hi
What does happen if we isolate all discs from central rod (so isolate all from each other)? does it cause to increase gain or not?

Edited by bigbomber

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11 hours ago, bigbomber said:

Hi
What does happen if we isolate all discs from central rod (so isolate all from each other)? does it cause to increase gain or not?

,,,it happens that the gain increases a little but it is about the protection against electric discharges...!!!!

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on "THESE" getting more than 15dbi means using close to 20 directors...and EVEN then gain of yagis kinda HIT a maximum...maybe 16-17 dbi (Reflector AREA increase GAIN more than adding Directors) Use the BIGGER you can...imho

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,,, a constructive variant of the user "com666" ... !!!

screenshot_194.png

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screenshot_245.png

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On 3/11/2019 at 10:25 PM, Admin said:

Диапазон LTE 2600 МГц.

4G antenna-LTE-абонентское устройство для улучшения приема сигналов операторами беспроводной передачи данных, работающими в 4G (LTE 2500-2700 МГц).

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Приветствую тебя, джоми. У нас был такой спор о том, какую антенну лучше сделать, алюминиевую или медную. Я хотел бы знать ваше мнение!

Greetings, jomi. We had such a dispute about which antenna is better to make, aluminum or copper. I would like to know your opinion!

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I think the galvanized sheet is the best...!!!!

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20 hours ago, Admin said:

Я думаю, что оцинкованный лист-это самое лучшее...!!!!

ok

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,,, maybe so ...

screenshot_258.png

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On 7/16/2021 at 4:47 PM, Hamza said:

 

On 7/16/2021 at 4:47 PM, Hamza said:

 

 

Screenshot_2021-07-18-02-41-17-82.jpg

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On 12/1/2016 at 0:18 AM, Admin said:

 A 3G antenna Bester in the focus of a parabola offset...

 

3G ??????????.jpg

45.jpg

IMG_20150711_114522.jpg

It work in 4g lte+ 2300 mhz ???

I have trying this antenna in 2100 mhz... look good

but if I resizing gap is that any changes will be ? to get 2300 mhz?

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,,, these are the dimensions(in Red) for 2.3 GHz...

5d5.jpg

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2 hours ago, Admin said:

,,, these are the dimensions(in Red) for 2.3 GHz...

5d5.jpg

Thanks...

I will update the result later

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Posted (edited)

thank you for the advice.... the 2.3 GHz antenna is working good

bester.jpeg

IMG20210804152618.jpg

Edited by khaiamin

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,,, give up the nuts and put spacers from the 10mm diameter pipe and M8 screw inside...!!!

 

screenshot_307.png

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Put it inside bucket horn it works well ( I m HAMZA) 

I put it inside bucket horn  it works so well.

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12 hours ago, Hamza said:

Put it inside bucket horn it works well ( I m HAMZA) 

I put it inside bucket horn  it works so well.

 

02.jpg.c75a71c63c4159cb49971ff08ae53aaf.jpg

 

01.jpg.7a043da2f2c88a95c104b66b6402c074.jpg

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