Access Control Deviate Frequency Keychain, 250KHz Keychain, 375KHz Keychain, 500KHz Keychain

The access control deviate frequency keychain is a low frequency 125KHz, 250kHz, 375kHz, 500KHz deviate frequency ID copy keychain, can prevent copying clone, which is also known as the ID encryption card copy card on the market.
The surface of the key chain can be screen printed pattern, logo, serial number or QR Code.
Can also be made into the shape of a CR80 standard size card 85.5x54x0.86mm or Crystal Epoxy tag shapes.

Typical application
Access control systems
Parking lot
RFID door locks
Identity recognition management