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"Our internet-connected devices use a proprietary radio system, which links the alarms together," says Nick Rutter, co-founder and chief executive of FireAngel. The connected alarms can send push notifications to users' phones via their home internet router.
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Ahmed Ahmed is calling for a "high quality" research trial
當局表示，相關法律針對叛國、分裂國家等行為，對維持穩定屬必要之舉；但批評者認為，這些法律被用來打壓異議聲音。