Once time read multiple card 2.45g reader tag and GPRS information device for time attendance

2.45G products for school student attendance system

RFID technical can let school attendance system more smart automation,our system use 2.45G long range contactless sensing technical,students don’t need scan card, RFID reader can read card automatic, system will receive and settle cards information automatic, let the attendance system become more simple and convenience to process,not only can provide correct information for students tracking and attendance, also can ensure the safety and discipline management of the student, let school management become more Information and modernization

The solution design as below:

Install two 2.45G reader at school gate, one at front side,one at back side, both reader need connect with one GPRS information machine, every students take one 2.45G card (can take on hand,hang on neck or put inside bag),when they walk close to the gate,their card will be read, the students information will transfer to system through GPRS information machine, the machine can insert Sim card, when system receive data,the sim card also will send SMS to parents, they can know they children arrive school time and leave school time.

The solution features

1.With anti-collision function, can read multiple card at the same time
2.With filtering function, data record once within a short period of time.
3.Judge student who pass in and out from the time
4.The read range is about 50~80m,also can set reader power to adjust the read distance.

CF-RV4301,2.45G directional integrated reader

1.Frequency: 2.45G
2.Work mode: read only
3.Read distance: 50~80m(adjustable)
4.Interface: RS485/TCP/IP (optional)

CF-TV4503,2.45G card 

1.Frequency:2.45G
2.Work mode:read only
3.Read distance:1~80m(depends on reader)
4.with two button battery inside
5.Work life:3 years
6.Material:ABS 

7.Size:86*54*5mm

GPRS information machine

1.Interface:USB /TCP/IP
2.With one sim card slot
3.With two port,can connect with two readers at the same time
4.With GPRS port for communication

Company profile:

Shenzhen Chafon Technology Co, Ltd. was founded in 2009,we are specialized in RFID products research and develop,and automatic identification technology application and promotion.Company products have won the United States FCC certification,European CE/ETSI certification, and China will WuWei CMII certification which products is exported globally.