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. The video below outlines how to use an iPhone or Android to determine the wireless strength in areas around your home or business. It is relevant to test the connection strength at every location you intend to mount a wireless camera at.