Hi!I was reading ArduPilot 2 Manual and I read this:If you have 72Mhz RC gear, you can use 2.4Ghz Xbee modules. We use Xbee Pro wireless modules with a Adafruit adapter board on the aircraft side, and a Sparkfun USB adapter board on the ground/laptop side.If you have 2.4Ghz RC gear, you should use 900Mhz Xbee modules. We use a Xbee Pro with the wire antenna for the aircraft, and and Xbee Pro with a SMA antenna connector (and a good 900Mhz antenna) on the ground, with the same adapter boards as above.Ok, so, if I have 2.4Ghz RC gear, I cant use 2.4Ghz Xbee?!Somebody know why? Its because there are some interference?Thanks!
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Because they are both frequency-hopping, 2.4 Ghz Xbee and 2.4 Ghz RC can coexist. It's still better if you can split them across bands, as there's always a chance that they will conflict enough to reduce your range or cause intermittent dropouts. (That's bad in your control link!) That said, we've used Spektrum receivers together with 60 mW Xbee at ERAU for short ranges (<1000 feet) with no ill effects -- but we were flying very lightweight vehicles with limited range.
They both could share the same channels, but they may work if turned on in sequence, 1st RC Tx, then Xbee, they may step on the same channel still, I use a 900mhz video tx at 500 mw and 900mhz xbee pro with no problems.
when the xbee is turned on after the RC tx it looks for open channels not used by RC tx.
also 2.4 ghz xBee are low power so your range will be shorter than 900mhz xBee.
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when the xbee is turned on after the RC tx it looks for open channels not used by RC tx.
also 2.4 ghz xBee are low power so your range will be shorter than 900mhz xBee.