Ask the gods to teach us how to make accessories for wireless cameras.

Traditional analog wireless surveillance camera. Front camera+bridge+antenna, rear bridge+antenna+hard disk video recorder. No need for a computer.

Wireless network camera, front-end integrated wireless network camera, back-end bridge+antenna, access router, notebook or computer can be used. When you want to watch it, you can access it directly. When you don't watch it, you need to store it and connect it directly to the hard disk.