125KHZ RFID Rfid Magnetic Keychain Proximity Indicator 125 Khz Door Pass Personnel Tracking Product Warehouse EM4100 125Khz RFID card used with RFID readers.

There is a key chain structure.

Thus, the beret can be easily transported with your other main lines.

RFID Product Selection Information: There are 2 types of RFID products, 13.56MHz and 125Khz.

If there are numbers on your card or keychains, your system is 125Khz.

If there is no writing, it is 13.56MHz.

Make the product selection accordingly.

Specifications: Frequency: 125 Khz ISO standard: EM4100 Reading Measures: 0-10cm (Depends on reader) Capacity: 64k bytes (Read Only) Data Retention time: 10 years Material: Plastic, Waterproof Color: Blue Dimensions: 29mm x 36mm x 5.5mm Weight: 5gr Package include: 1pc 125 Khz RFID Keychain