Stephen Lane wrote:
The only transmitters on a iPhone/iPad are Bluetooth, WiFi & the phone transmitter used to communicate with the Phone towers the only transmitter which has the power to reach 2km on its own is the Phone one however this is locked to phone/data use & can't really be repurposed to transmission to another device unless you install a phone (not nesc a iPhone it would have to be a GSM Modem for instance) in the plane & make a phone call to it to initiate comms & thus allow the control signals to flow(Motor Racing uses this method to cheaply arrange telemetry between Car & Pits currently)the Parrot AR Drone Quadcopter has an interface & I believe there is a SDK that might be able to be modified to use for a plane so there would be plenty of research & app writing to be done there. The Wifi in the actual iPhone/iPad is not strong enough on its own to reach 2km however if a HiPower Wifi repeater was used you might be able to transmit to a plane but the plane would have to have a big Wifi Tranmitter in it to to send signals back if you want the whole telemetry thing to happen. Bluetooth is not suited(data flow too slow for something as tricky as plane control & it is strictly small range best is 100m with special antenna setups) so I realise I havent answered the question strictly but I think from the quick google I have done there is no easy answer but plenty of interesting avenues to research.
Having said that if what you are really looking for is to be able to view the planes flight & control it by using a iPhone style interface there are some interesting options have a look at
http://www.himodel.com/FPV_Telemetry/CYCLOPS_EASY_OSD_FPV_System_W_GPS.html has an interesting youtube clip of the plane taking off & flying off thru a cloud then turning round & flying back all the while showing the elapsed time/battery state/GPS headings in relation to the take of point - very impressive
&
http://www.hobbyking.com/hobbyking/store/uh_viewitem.asp?idproduct=15128&aff=1416 for some VR Glasses to watch it all on
Regards
Stephen
--- In apple-iphone@yahoogroups.com, railroads@... wrote:
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> Hi
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> Can anyone help to locate a company that has an application and hardware for receiver, for a iPhone to control servos on a model plane up to 2 km away.
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> Like this one (it only has 100m max transmission). I want up to 2km
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> http://wirc.dension.com/
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> Thankyou
>
> Charlie
>
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