This Quad is about 350 to 400 feet high. I’ve had great results swapping out the short stock controller antenna, soldering a wifi router antenna and making sure the antenna is folded perpendicular to the quad during flight as the signal is radiated from the sides not the tip (Links below on how to do the range mod and many others). Have not lost signal yet with this set up and I can barely see it in the sky at this range. It is just a little white dot. I’m using the Lectron 950mah battery upgrade which was giving me 12+ minutes of run time but finally fried a motor with this flight. It lasted a good 20+ runs until the motor went. Next upgrade will be ball bearings and perhaps better quality motors if I can find any in this small size.
H8C up in fireworks
H8C medium altitude Video
H8C stock controller 500ft range mod
H8C Best Mods Part 1
H8C Best Mods Part 2 detailed installs
Replacement Clockwise Motors:
Replacement Counter Clockwise Motors: