Add remote signal checking
Add remote signal checking

zxc2694/moonbear-firmware,fboris/firmware,UrsusPilot/firmware,ming6842/firmware-new,zxc2694/moonbear-firmware,fboris/firmware,ming6842/firmware-new,zxc2694/moonbear-firmware,ming6842/firmware-new,shengwen1997/moonbear-firmware,ming6842/firmware,UrsusPilot/firmware,UrsusPilot/firmware,fboris/firmware,shengwen1997/moonbear-firmware,ming6842/firmware,shengwen1997/moonbear-firmware,ming6842/firmware