OPP IOT RFID Tags for Event Management

In most time, attendees at conferences, trade shows, and other events are largely “invisible” to the organizers and hosts, most conference event managers can’t be certainty that attendees are present at the sessions where they have registered to attend. There is no an efficient way to measure traffic volume or flow on a trade show floor, and also, sometimes, the food and beverage counts hosts receive from caterers are often inaccurate.

Hand counting is normally used to track participation behaviors at events, however, these incomplete and, often, inaccurate methods leave event stakeholders searching for a better method for capturing booth traffic and other activity data.

With the great sense of the RFID event management market demanding, OPP IOT provides our clients RFID solutions that would provide a non-intrusive way to measure and understand attendee activities at meetings, conferences, and events.

In our RFID event management solution, the selection of RFID tags and readers are the key step, for a typical event management RFID application, the selection of hardware have to make sure that it can work in large environments like trade show floors.

OPP IOT event management solution provides unprecedented insight into event activity by capturing attendee behaviors accurately and unobtrusively, it can consistently delivering a higher level of visibility with great accuracy, security and privacy than traditional barcode systems hand counting.



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Ultra Long Range RFID Tags OPP4215 Application

Ultra Long Range RFID Tags OPP4215 are used for
hands-free asset protection, vehicle identification and personnel

Identify and track vehicles at airports, gated communities, truck and
bus terminals, employee parking lots, military installations, etc.

Identify and track laptop and desktop computers, office machines,
tools, telephones, shop equipment, in hospitals, office buildings,
retail stores, warehouses, industrial facilities, etc.

Identify and track employees and visitors in military bases, office
buildings, mines, hospitals and warehouses for access control,
emergency evacuation and mustering. Multiple Tags can be
functionally linked to each other to match employees to laptops,
drivers to vehicles and trucks to trailers, etc.


MIFARE 1K was originally designed with 4 byte unique identity code, also called UID code, if we keep each chip code unique, there are only 4.2 billion codes in total. But as MIFARE 1K has been so popular and widely used, this capacity is obviously not enough to satisfying the continuously growing demand. So the MIFARE 1K card with 7 byte UID code appeared.

As the MIFARE 1K chip code varies so much, sometimes, the MIFARE 1K cards from different factories is not compatible with all the MIFARE readers in the market, there are two reasons for this phenomenon:

1, the classic 4-byte UID MIFARE 1K cards only need one cascade of anti-collision to select the card, but 7-byte UID MIFARE 1K cards needs two cascades of anti-collision to select the card. The MIFARE card with 4-byte UID doesn’t need the second cascade of anti-collision, if the reader is designed with two cascades of anti-collision, it can cause error.

2, in card authentication stage, it needs 4-byte UID code, 6-byte card password, and 1-byte data to participate in. But the new card has 7-byte UID code, how to decide which 4 bytes to participate in the authentication stage? There are 3 solutions presently, 1), 88h and the first 3 bytes of the UID, 2), the first 4 bytes of the UID, 3, the last 4 bytes of the UID, to participate in the authentication stage.

So, if your reader can not read card with 7 byte UID, you can consider from the above two aspects: whether it needs the second cascade of anti-collision in card selecting step, and which 4 byte participate in the authentication step.