RFID key fobs are basically RFID tags in the form of a keychain and are very convenient to carry around. They can unlock the doors, pay for a coffee at a vending machine, or can be used to identify users in various other RFID applications.
The upper part of the prestige key fob is made of stainless steel and the lower part is made of an imitation black leather plastic material. The total dimension including a ring is 85 x 35 mm.
The prestige key fobs contain a EM4200 chip that was designed to replace the previous versions of EM Microelectronic-Marin chips EM4100, EM4102, EM4005, EM4105 and it works perfectly even with readers designed for its competitor’s 125 kHz TK4100 chip.
The key fobs are available in black color. By default they do not contain the numeration or other printed elements but if you need the customization, please let us know and we will send you an offer.
We can produce key fobs with printed chip ID code, and since the chip ID code can be read in more than 50 different ways, we take extra care that we print the code in the proper format. For 125 kHz chips, the usual reading format is 10-digit decimal number (8H-> 10D conversion).
Reading test for Prestige key fobs with a 125 kHz EM4200 chip
We tested the EM4200 key fobs with different kinds of readers and measured the reading distances. This is not an official test, but it was made to inform you what reading distances you may expect with your application.
The reading distance between the key fob and the reader is affected by many different factors, like the size of the antennas and quality of the chips, the interferences of metal, and electromagnetic signals, etc.
Technical specification
Manufacturer: EM Microelectronic-Marin
Chip: EM4200
Compatible with: EM4100, EM4102, TK4100, EM4005, EM4105
Frequency: 125 kHz
Reading distance: up to 9 cm (depending on the reader)
Dimensions: 85 x 32 mm
Thickness: 7 mm
Material: stainless steel and an imitation leather material
Printing options: upon request
If you need larger quantities send an email to info@rfidspecialist.eu or call +38641 884 124 and we will be happy to help you.
If you are an integrator or reseller, we offer special discounts.