While there is a wide range of security systems on the market, most of them actually work with WiFi. What can you do if you do not have WiFi, or you just do not intend to use it? Are there other systems you can install? Luckily, CCTV systems come in various options. Although WiFi is a popular way to have security cameras, it's actually not the only way a homeowner can have cameras they require to protect their homes.