Initial informations
The remote control send a PWM1) total width 20 ms pulse 1-2 ms separation 0.4 ms
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FM 25 MHz ou 35.2 / 2.2 kHz
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Base band output of the remote control : 5 V à 10 V
European reserved frequencies :
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35 MHz: aircraft only.
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40 MHz: surface vehicles.
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27 MHz: general use, toys, citizens band radio.
External link
1) PWM : Pulse Width Modulation