- The sensors/contacts and the control panel that can be both wired or wireless
- The method the system uses to communicate with the outside world (the monitoring station) or the orders it receives from your cell phone (especially with a home automation system)
Hardwired VS Wireless System
At the end of the day, selecting a wired or a wireless system depends on what you need from a security system. Hardwired alarm systems are the most reliable, while wireless systems provide easy installation and can be set up where wired systems can't be.A security system can be divided two different parts: