In the case of already installed security systems, present in more than 14 million residential homes, {HEAD ~ the present invention} also provides {TAIL ~ an RFID reader} that can be wired to and powered from existing control panels, directly or indirectly 
provides
In the case of already installed security systems , present in more than 14 million residential homes , { HEAD ~ the present invention } also provides { TAIL ~ an RFID reader } that can be wired to and powered from existing control panels , directly or indirectly
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