The FPC-DM1-3 proximity card by Keri Systems Farpointe Data is an ideal solution for secure access control, featuring Wiegand communication protocol compliance. With no need for batteries, this card can be programmed to different formats and encryption keys, eliminating maintenance needs. Sold in singles, it is of CR80 credit-card size and operates at a frequency of 13.56 MHz.Product Features:-Complies with Wiegand communication protocol-No-battery design eliminates maintenance-Programmable to various formats and encryption keys