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Old 9th February 2008, 14:35   #1
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Post Looking for an antenna

I need an 2.4 GHz antenna for doing something like this :

Bluetooth a Mile Away | Popular Science

I dont know where to look for it. Any ideas ?
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Old 9th February 2008, 15:04   #2
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well, is that possible with mobile as well, my factory is suffering with real low network, sometimes its dead, any option avialable that i can catch the signals from outside factory??
Cheers
W.Ajay
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Old 9th February 2008, 15:29   #3
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I dont think this mod is possible for a phone's bluetooth. This is just a mod for bluetooth dongles.
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Old 9th February 2008, 16:26   #4
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no am talking about only increase in network, and its not via bluetooth,,
any advise on increasing the network area?
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Old 9th February 2008, 16:51   #5
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There you go -> DealExtreme: Search for 2.4 (103 products in 46 categories)

Cheapest one is $2.3 !! Thats about 90 bucks !
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Old 9th February 2008, 17:52   #6
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Quote:
Originally Posted by a4_attitude View Post
no am talking about only increase in network, and its not via bluetooth,,
any advise on increasing the network area?

Are you looking for wifi network increase, do you want it in one direction or omni direction??
there are simple antennas available for this.
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Old 9th February 2008, 17:58   #7
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Quote:
Originally Posted by adityamunshi View Post
I need an 2.4 GHz antenna for doing something like this :

Bluetooth a Mile Away | Popular Science

I dont know where to look for it. Any ideas ?
hey what is the antenna required for mobile or dongle ?????
if for dongle it's possible to build one at home if you are into electronics...
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Old 9th February 2008, 18:08   #8
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Quote:
Originally Posted by dinar View Post
Are you looking for wifi network increase, do you want it in one direction or omni direction??
there are simple antennas available for this.
The simple antennas dont seem to work. I have invested in two 8db omni-directional antennas and the sginal qulaity is the same as with the stock antenna of the router.
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Old 10th February 2008, 00:19   #9
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adityamunshi,
SP Road in bangalore does have 2.4GHz antennae. But I think that doesnt make much sense for you from Baroda. I will try to see to see if there any other vendors. We [company] usually get samples from different vendors, but I think the same isnt true as an individual.

vikram_d,
I remember reading somewhere that the stock antenna of linksys wifi router are usually 2dBi. So you should have noticed some improvement when you shifted to 8dBi. by any chance, did you try something like reaching across different floors ? then rotating the antenna horizontally would help.
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Old 10th February 2008, 09:49   #10
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Thanks so much crkishore. It'd be great if you could find a vendor in (or near) my city.

Quote:
Originally Posted by crkishore View Post
adityamunshi,
SP Road in bangalore does have 2.4GHz antennae. But I think that doesnt make much sense for you from Baroda. I will try to see to see if there any other vendors. We [company] usually get samples from different vendors, but I think the same isnt true as an individual.
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Old 11th February 2008, 00:38   #11
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Quote:
Originally Posted by vikram_d View Post
The simple antennas dont seem to work. I have invested in two 8db omni-directional antennas and the signal quality is the same as with the stock antenna of the router.

Thats why I asked if you are looking for omni direction or directional, The transmission power of the router remains same [usually around 30mw ]if you do not require omni direction than I would suggest the you go in for directional one. it's simple if you have the the antenna in one corner of your place and the all the access points are in one direction of the router than you'll get good signal. you have to decide what is your requirement. Also if there are thick walls between the router and access points than there well be a lose in transmitted energy.
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