125KHz deviate frequency keychain,125KHz,250KHz,375KHz,500KHz
encryption copy-prevention fobs
This key chain is low frequency of 125KHz,250KHz,375KHz,500KHz
deviate frequency ID copy/clone key chain, which is on the market
what the ID of the encryption card copy card, the card ordinary ID
copy machine can't use, must cooperate with Full frequency ID card
copy device,125KHz,250KHz,375KHz,500KHz encryption copy-prevention
keychain copy device to copy.
Can also be made into the shape of a standard size card
85.5x54x0.76mm or Crystal Epoxy Card shapes.