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I was doing so researching and discovered the AIM XTRA GPS, it claims it can do up to 30km range. After staring at the tracker I saw the transmitter which was a Radiometrix TX2EH-433-64. I continued my research and discovered it for sale, however, advertises a range of 500m. So how does the...

Great, I think ill get the one I linked then, thanks for your help.

Oh ok, that's reassuring! Where did you get your radios?

Is there any way to get around this? What other systems could I use? Maybe the LoRa modules might be better off but they still output 100mW. I have read a bit about the Eggtimer system, but how come that does not interfere with GPS? or does it? Thanks for any help.

Will do, I plan on doing many ground tests and doing a test with the system on my drone. If there are any alternative, cheap solutions please do let me know. Thanks

I've found this telemetry system https://www.banggood.com/3DR-Radio-Telemetry-915MHZ-Module-For-APM-APM2-p-73539.html?rmmds=search&cur_warehouse=CN Will this work fine?? Yet again I looked into LoRa modules and found a setup for cheap that was proven to work at over 3km. Will LoRa still work...

Thanks for the reply. That's exactly what I needed thanks a lot!

Hi, I am wanting to transmit GPS coordinates and altitude from an Arduino onboard a model rocket that will go 1km high, to another Arduino on the ground. The purpose is just to assist in finding the rocket once it lands. I was needing something cheap but also not too large (about 3-4cm). I was...