Two separate remotes, both with and with out Argtek mod. Both with and without windsurfer, total clear open desert, not a house for miles. updates, down grades, multiple firm wares. and i top out at 2000 feet. all connections have been checked and rechecked. im at my wits end. had I read these complaints prior, i would NOT have purchased this. today i was able to achieve 2300 feet at before rth engaged. i changed batteries and got just over 500 feet before RTH. anyone want this thing let me know. comes with two batteries and extra props. im in AZ
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