Radio frequency systems for electronic anti-theft systems
Abstract：Radio Frequency (RF) systems have been around for over 30 years and are among the earliest electronic security systems to be applied.
Radio Frequency (RF) systems have been around for over 30 years and are among the earliest electronic security systems to be applied. It uses radio frequency as the system's transmission and reception detection signal, with a detection frequency range generally of 7.x~8.x MHz. The detection rate of radio frequency systems is generally around 80%. Because the anti-theft tag uses a ring-shaped coil type, many coiled items or electronic products with similar frequencies to the tag can trigger the system, causing false alarms. Moreover, the radio frequency system is completely shielded by metal foil; if the anti-theft tag is close to or stuck to the metal foil, the label will fail and cause the system to miss a report. The major advantage of radio frequency systems is their very low cost. Radio frequency systems come in two types: soft tags and hard tags, which can protect most items in the mall. The distance between two supports should generally not exceed 1.2 meters. Radio frequency systems have two installation methods: vertical and channel-type, used to protect department stores, clothing stores, supermarkets, and more. It offers a variety of brands of products at low cost.
