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Old Jan 12, 2013, 03:59 AM
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FPV rx/tx

Hey guys

trying to peice together a good fpv set up but cant choose between 1.2g or 5.8G tx/rx.
any help or pointers?
im leaning more towards the 1.2G but dont know if thats legal in australia.
Any tips or help will be good

Thanks Mitch
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Old Jan 12, 2013, 04:15 AM
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Quote:
Originally Posted by mitch88 View Post
Hey guys

trying to peice together a good fpv set up but cant choose between 1.2g or 5.8G tx/rx.
any help or pointers?
im leaning more towards the 1.2G but dont know if thats legal in australia.
Any tips or help will be good

Thanks Mitch
To use 1.2g legally in Australia you have to hold a advanced amateur licence. That is the 23cm band 1240 - 1300mhz. You can then transmit with up to 120watts of power :-)
5.8g you can use with out, but are limted to 25mwatts of power output.

Saying that most people use 1.2 without a licence and as long as you are not causing any interference to any licenced user of the band you will prob be ok using it.
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Old Jan 12, 2013, 05:42 AM
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Ah cool. So would I be better off with 5.8G?
I'm looking at a 500mW tx 5.8G
What is the quality and range like between 1.2 and 5.8?

Sorry got to many questions
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Old Jan 12, 2013, 09:02 AM
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+1 to the questions posed here. I'm looking at doing the same thing and it'd be good to know what's needed for a reasonably priced setup that will do decent distance.
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Old Jan 12, 2013, 02:43 PM
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5.8 gives a better picture, but you need 5.8GHz Circular Polarized Antenna
http://www.hobbyking.com/hobbyking/s...t_Antenna.html

Something like these will work well, you can make youre own.

With good antenna you should be able to get good distance. I think the record is over 20kms with 200mw on 5.8 now.
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Old Jan 12, 2013, 03:18 PM
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ah cool those threads are handy. but still should i be going 1.2G or 5.8G i eventually will fly more demanding flights i guess so i dont want something to start off with but maybe something thats half decent. this is for a quadcopter and im using a 2.4G DX6i
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Old Jan 12, 2013, 03:59 PM
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1.2 will work better around trees etc, where do you plan to fly..?

The stock dipoles that come with 1.2 are good for a km or 2, make a patch and you will get 8kms ok...
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Old Jan 12, 2013, 04:30 PM
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Don't know where and how far I would fly but I dont want to be limited to much. Just like peice of mind. There is a few 1.2G tx/rx on eBay. Would they be ok? And what would be a good CCD camera to use? Would I have any interference with 1.2?
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Old Jan 12, 2013, 05:05 PM
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There are tons of info out there you just have to do some research.
There are advantages and disadvantages to the frequency you choose.
Remember to keep it simple.
Start basic and see if you even like it.
Some people make the mistake of starting out with all the bells and whistles and hate the experience before they get started.
Happy flying.
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Old Jan 13, 2013, 06:32 AM
Now what?
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Bulli, Australia
Joined Nov 2006
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Starting simple is very good advice.

Get one of these cameras. They're only $45.

These 1.2G sets are cheap and popular coupled with a patch on your video receiver will go far. With just the antennas supplied you can fly easy 3kms.

If you are happy to stay inside 2km with clear line of sight, you can't beat this 5.8G set with a set of SPW's. I think HobbyKing might even be selling them now.

Nothing that is legal for video is much chop.
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Old Jan 27, 2013, 09:31 PM
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Australia, NSW, Glen Innes
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Glad I stumbled across this post regarding the legal status of using 1.2Ghz.
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Old Jan 28, 2013, 08:31 PM
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I would add that you need to check what kind of flying you want to do. If its Quads, you will most probably be flying close to the ground and in and around trees. This is where 1.2Ghz has advantages over 5.8Ghz - If its fixed wing then 5.8Ghz will be a better choice. I normally fly at around 300 feet ( keeping below 400 feet always ) and do some aerobatics etc and have a perfect signal 95% of the time. The 5% gets RH interference but clears within a second or two so never a concern. Also, if you choice to go with Fatshark goggles like most do as it provides a much more immersive flying experiences with the addition of head tracking and portability ( two MUST haves for me ) then you will need IMRC gear as foxtech uses a different 5.8 band and will not work.

As has been stated, start out as basic as you can. The Fatshark Predators come with everything and are great and cheap ! Keep legal aswell and don't fly over any thing your not prepared to crash on and deal with the consequences. Have fun !
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Old Feb 03, 2013, 04:59 PM
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hey guys. So whats the deal with this gear ?


http://www.hobbyking.com/hobbyking/s...mera_NTSC.html

Everone is talking about 1.2, 2.4 and 5.8g is 900mhz any good? is it legal to use in Oz? its cheap. What do you think?
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Old Feb 03, 2013, 05:15 PM
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900 MHz is not allowed legally, a lot of mobile phone towers operate around 800- 1000 MHz
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