EAS or Electronic Article Surveillance is a security system. The system is intended for countering theft in various retail stores. The system uses disposable labels or tags. The tags may be soft or hard tags. The tags are attached to the merchandise. There is Barcode written on the tag which activates the photocell in the exit if the tags are not checked in the bill counter for payment. If the tags are not deactivated properly or if a reusable type of tag had not been removed at the counter meant for check out, one alarm will be initiated at the exit gate. This alarm will signal the theft of merchandise and the security as well as the staff will be alerted. There are various types of EAS system supplied by the EAS System dealers in India. The primary mechanism on which these types of EAS technologies work are Radio Frequency or RF type, Acousto Magnetic or AM type or the Electromagnetic or EM type.
The RF system has been very popular for quite some time as it is very affordable to install. This type of system is very popularly supplied by the Retail Anti Theft System dealers in India. These types of EAS system is normally used by the retailers who use security labels adhesive types and prefer to use it over security hard tags. This type of electronic surveillance system for articles generally comprise of soft as well as hard labels. Sometimes one or more pedestal type of antennas and recently RF used in floor antennas can be seen. The labels or tags have tiny circuits which resonate within 7.4 to 8.8 MHz. The most popular frequency of the system is 8.2 MHz.
The Radio Frequency type EAS system:
The RF system has been very popular for quite some time as it is very affordable to install. This type of system is very popularly supplied by the Retail Anti Theft System dealers in India. These types of EAS system is normally used by the retailers who use security labels adhesive types and prefer to use it over security hard tags. This type of electronic surveillance system for articles generally comprise of soft as well as hard labels. Sometimes one or more pedestal type of antennas and recently RF used in floor antennas can be seen. The labels or tags have tiny circuits which resonate within 7.4 to 8.8 MHz. The most popular frequency of the system is 8.2 MHz.
Anti Shoplifting System dealers in India also supply upgraded RF antennas to make RFID. The working of RF, as well as RFID, can take place side by side using the same antenna. The use of RF though very popular, this technology has certain limitations. The system is very sensitive to other electrical and electronics fixtures. Once the circuit is broken, it is not possible to deactivate the RF security labels.
The AM or Acousto Magnetic EAS system:
The AM is much more improved system than RF and is not easily susceptible to external electronic interference. The system can work with pedestal base antenna or concealed within the door frame or else it can be taken through the floor also. The RF Hard tag dealers in India have proficiency in supplying best AM EAS system which can give a very commanding performance. The Acousto Magnetic EAS system is more expensive than the RF system to install. However, the cost of this type of system has come down due to increased competition. The EAS System dealers in India can offer this type of EAS systems at very reasonable price. The use of AM type EAS systems can be mainly seen in small and large clothing chains, Electronic as well as departmental store chains.
The Electromagnetic or EM type EAS system:
This is another type of EAS system which is predominantly used in Europe and various other parts of the world. The Barcode Scanner dealers in India have also the necessary competence to supply such EAS systems. In this system, an alternating current having a low frequency is transmitted and a harmonic frequency is generated from the tag which when picked up by the receiver, it generates the signal.
You Can Also Read – Why The Sensor Gate Dealers In India Are Getting So Popular?
No comments:
Post a Comment