Other cameras will connect directly to power and the internet via a router and you can access their functionality via an app, or your own choice of software. That’s why a lot of security camera systems are actually low-spec computers with slightly different priorities when it comes to the ports (quite a lot of LAN sockets for the cameras, VGA or HDMI for the display, and a hard drive). Ethernet cables can carry enough power to operate a surveillance camera and it goes without saying that handling a digital video signal is no problem so long as you don’t mind using networking protocols. For simplicity of installation and operation, security cameras which use PoE technology solve a lot of problems compared to older “Siamese cables.” At the same time they solve the need for regularly charging batteries and protecting wi-fi which modern wireless systems depend upon.
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