Home Security Systems
Home Security System Repair Questions? Ask a Technician.
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I think that, if your router (and thus, the wireless encryption key) has changed, then you need to
A. find out what the new encryption key is, and
B. if your cameras are wireless, rather than being on a wired network, then you might need to reconfigure the cameras themselves, since if they are still trying to communicate with the old router that isn't there any more, using its encryption key value, then they will be out of touch altogether.