50594 125khz products are offered for sale by suppliers on Alibaba.com, of which access control cards accounts for 60%, access control card readers accounts for 14%, and guard tour system accounts for 2%.
A wide variety of 125khz options are available to you, such as rs232, ttl.You can also choose from iso 14443a, iso 7815 125khz,As well as from abs, plastic 125khz,