by easgatei | Jul 31, 2014 | Articles
Security gate or antenna is one of the electronic article surveillance which install in exit door to prevent unauthorized removal of article. It fact the article is secured by security tag which is attached to it so if a thief is going to remove the goods from the store, the security gate will alarm upon passing the article through the antenna & the shop owner will be aware on it. Gates can be divided into three categories: • Acousto Magnetic • Radio Frequency • Electro Magnetic The Acousto Magnetic system which is called AM in 58Khz is resistant against metal except iron so it’s suitable to use for Cosmetics store & Mobile store. The Radio Frequency system which is called RF in 5 frequencies & has variety of labels & tags in different size so it’s suitable for Book store, Hypermarket & Supermarket, Fashion store. The Electromagnetic which is called EM has the same performance of AM so it’s suitable for Cosmetic...
