The most common RFID tags and readers are split into 3 frequency groups:
The main advantages and disadvantages of each are as follows:
EPIC's Approach to Both Solutions
Because the “EPIC Smart-Trac” POB and mustering system is primarily a safety system designed to look after personnel working in hazardous environments, careful consideration is given to how we use RFID technology so risk is minimised. EPIC insist on the deployment of short range RFID technology during the mustering of personnel for several reasons. Ensuring personnel to present themselves to the muster checker and scan their tag at the reader is particularly helpful during a real emergency as this interaction between tag wearer and reader (or muster checker) can have the extra factor of enforcing reassurance to the tag wearer that a trained person and system has taken control of the situation.
EPIC offer long range scanning of tags for zone control and gangway/bridge movement, but only when the placement of the antennas for the readers can be located in such a manner that the chances of interference from the tag is almost eliminated. Again, for high security areas including access control, EPIC will always recommend the use of a short range scan head to ensure the tag is presented at the reader.
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