Mobile phones are so ubiquitous that it’s easy to forget what staggeringly impressive little devices they are. Your humble mobile phone has 100,000 times more processing power than the NASA computer that sent man to the moon over 50 years ago. That processing power can be perform a dizzying array of functions - including electric gate automation! This capability is based on the GSM Call to Open module, which enables your gates to be opened from anywhere in the world, with just a quick call from your mobile phone. When you’re away from home, it’s perfect for providing controlled access for service providers or deliveries, or visitors, friends and family. So, let’s take a quick look at this tech in a little more detail, and exactly how it can be used to turn your mobile phone into a controller for your electric gates.