Sabtu, 09 November 2013

Which antenna should i use in bluetooth?

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ok guys and girls, i have a project going on. Im just trying to prove a point to my friends so there is no real use for this. I have a bluetooth headset for my phone and want to put a larger antenna on it to increase the range. On ebay antennas are dirt cheap so im just looking for some advice on which one i should go with. Im going to be fallowing this http://www.wonderhowto.com/how-to-increase-range-usb-bluetooth-adapter-with-high-performance-antenna-405160/ . I want to get over a miles worth of distance just for fun. plus if i can build this onto my dirt bike helmet i can leave my iphone in the house and ride in my back yard while talking to the other riders. also will putting a bigger antenna on the headset kill the battery any faster? just looking for some advise. also will any 2.4ghz wifi antenna work for bluetooth? or does it have to be a special type?


Thanks for your advice!
and what DBI should i be looking for?



Answer
The bigger antenna on the headset won't make much of a difference, but I don't think your going to get a whole mile out of it. 500 meters is more likely, considering the highest spec of BlueTooth is only rated for 100m. Either way, you are going to want an electrically boosted antenna, probably about 1m high, with as much dB gain as you can get, preferably above 10.

Good luck.

How can i convince my parents to let me get a Dirt bike?




De


Well im 15 and I have asked my parents for YEARS if i could get a drit bike... with all answers being a flatout "NO!" They wont let me get one because they are afraid i will get hurt, (i know, they are good parents) but i really want to expand my knowledge in recreational motor vehicles (Quads, Motorcycles etc.) just because i want to learn some of this stuff... I am always hearing stories from my dad about HIM having a dirt bike when he was younger and it is starting to make me a little upset because it is kind of a tease at what i would like to do... but that goes back to the reason they wont let me get one, they say "its too dangerous" and i do realize there are some risks that accompany riding any kind of motorcycle... TL:DR I just need some reasons why my parents should let me get a dirt bike and make them feel like i can be safe riding one...
And please, dont say "Get good grades" because i am an A/B student...



Answer
You have to appeal to their desires. First off, make sure the only reason they are saying no is because of their worry of your safety. Let's assume for now, though I doubt it, that it's the only reason. If you can find out more reasons, you can take a similar approach though.

So, how can you convince them that you're responsible enough to keep yourself safe.

Do your research. Find out what kind of bike you want, make sure it is a reasonable size (don't try to get a huge bike just for your ego), find out how much it will cost, and how you or they or both are going to pay for it.

Where will you ride it? On streets with traffic? In the woods? On a dirt bike course? Tell your parents your plans. Research helmets and let them know you have one picked out that has a good rating. How about protective gear? Tell them you want to get a padded bike jacket to help protect yourself.

Do you know how to ride? Doesn't matter. What matters is whether they think you know how to ride. Tell them how you are going to learn, who is going to teach you, and how they are going to teach you.

Be thorough, and let them know you are serious about this. "I want it" is not a good reason. "I want it and here's why I think it will be ok...." is much more convincing. Don't whine, don't beg. Any objection they make, listen, and go back and figure out real solutions, and present them.

This is big boy negotiation. But it ALWAYS works IF you can figure out the real reasons behind their objections :)




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Title Post: Which antenna should i use in bluetooth?
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