Wireless not Cordless
From X10Wiki
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Question
I thought the cameras were supposed to be wireless.Why does my XCam2 have a power cord coming out of it?
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Answer
"Wireless" is an electronics term referring to the method of information transfer. It has nothing to do with how the device receives power (electrical outlet, solar cells, batteries, etc.). The infrared signals sent from your remote to change the channel or increase the volume on your TV is a form of wireless communication. It simply means the information (voice conversation, computer data, video, telemetry, etc.) is not sent through a hardwired media, such as copper conductors.
