This setup is great for outdoors where you can mount a radio on the exterior surface of a building and broadcast WiFi to cameras mounted in the signal path. By using one AP, you can connect to up to four 1080P HD security cameras and view them using your computer, or integrate them in to a NVR for recording. Click here to read more. The first and extremely important step when considering a wireless security camera system is understanding the limitations of wireless equipment. You can purchase expensive wireless equipment and still have poor signal due to interference or thick walls. These issues can lead to an unreliable security system that drops cameras, or appears to skip video.