Mifare 4K Cool RFID Key Fob
This RFID key fob has a very cool appearance and uses an NXP Mifare 4k chip.
MIFARE 4k storage memory is very large, and the chip security mechanism divides the memory into multiple areas, each of which can be used independently. This product series is ideal for large-volume transactions such as transportation ticketing, time and attendance solutions, parking lots, and loyalty programs.
2 options for these EM 125kHz Key FOBs:
Pre-Defined: The FOB comes with a pre-defined 10-digit ID programmed to the card
Writable: The FOB comes with no defined ID
The FOB will need to be assigned a custom 10-digit ID by the user- Small and exquisite, easy to use and sensitive
- Customized Key Fob Size and Shape
- 100% High Quality and High Security
- Double waterproof: glue covering and ultrasonic pressing
- Variety of Styles and Colors to Choose From
Material: ABS/PC
Size:55*31*7mm
Optional chip: EM4305,EM4200,MIFARE Classic 1K, MIFARE Classic 4K, and MIFARE DESFire
Memory: Determined by the chip
Frequency:125kHz,13.56MHz
Protocol:ISO11784/11785,ISO 14443A
Colour:Blue,Red,Black,etc.
Reading distance:0-10cm
Working Temperature:-25°C to 65°C
- Replace access card
- Member Management
- School canteen meal card
Frequently Asked Questions About RFID Keyfob
Radio-frequency identification (RFID) key fob is a package form of RFID tag, small, sturdy, convenient to carry, widely used in access control, all-in-one card, etc.
Smart keys work through RFID, a radio frequency identification system that uses electromagnetic fields to identify and track data on "tags" that contain stored information. Transmission through magnetic field and radio waves.
RFID Frequency and Range
| Frequency | RANGE |
|---|---|
| LF 120 – 140 kHz | Maximum read range 30 cm - Special Antenna and Tags - 2 meters |
| HF 13.56MHz | Maximum read range 1.5 M - Special Antenna and Tags - 2 meters |
| UHF 860-960MHz | Maximum read range 10 meters - Special Antenna and chips - 15 meters or more |
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