Understanding Coded Orthogonal Frequency Division Multiplexing (COFDM)

Advanced wireless communication we see these days makes it possible to send radio frequency signals over very long distances. Through Wireless communication, we can comfortably relay crucial information over hundreds of miles without the need of expensive infrastructure like installation of physical cables, which are prone to all kinds of damage either through vandalism or through extreme climate. Wireless signal transmission on the other hand also suffers certain limitations. Engineers have come up with different ways to counter these limitations in order to make signal transmission and reception as flawless as possible. This has led to the development of different types of broadcasting techniques that seek to overcome the difficulties... Read More »

3 Security Systems Every Retail Store Needs

No matter where you’re based or what you’re selling, every retail store needs to be secure. You have to make an effort to prevent your products because thieves are out there, and this list of products will ensure your store is secure. 1) CCTV – This is the obvious one really, but it’s definitely needed. You never know when you’re going to need to check the cameras and you’ll only regret this it if you choose not to install CCTV. Plus, it’s a very affordable solution. 2) Security Tags and Towers – These basically alert you when an individual has steppe outside of your store with a product that hasn’t... Read More »

Understanding the Luggage Airport Security System

Most people will have had to stand in the nervous queue at an airport, waiting to place their hand luggage on the conveyor belt, but not many people know much about the system being used. It’s an extremely clever security system that can scan around Scans up to 500 bags or bins per hour, giving security guards high quality images of the contents in the bag. It resolves any threats more easily, while it reduces the number of false alarms, because if they find something in a passenger’s bag, there’s a good chance it’s dangerous and has to be removed or dealt with by authorities. In simple terms it’s a... Read More »

Security Strategies at Gigs

It’s fair to say that some live music events can get a little bit out of hand, and no matter what venue a band is playing at, there should always be some form of security strategy in place. Small gigs may only include several bouncers, while a team of security guards is more common at larger venues. These guards will be responsible for removing offensive individuals, checking tickets whether they are legitimate and making sure the crowd is well placed and positioned. Rock gigs where the majority of people are standing can require a great deal of tactical security expertise. Guards should be able to identify potentially dangerous individuals, whilst... Read More »

Personal Security

people worry about their security at all points in the day, and for good reason, the typical individual will encounter multiple security risks everyday. There are also lots of solutions to these problems, so it is worth doing some investigation into what is most effective for you. Women typically have different security concerns than men, and therefore require some different tools to maintain their personal security. Having things like pepper-spray, or perhaps a foghorn will fight off many attackers successfully. Things which everybody may find useful are protections against identity theft. This is a growing concern for many, as more and more horror stories of people’s lives being turned upside... Read More »