RFID reader writer

Hey all,

I was just wondering it there was a RFID component that was Wiegand compatible that I could use with my arduino to read and write tags

Something like this http://www.seeedstudio.com/wiki/125Khz_RFID_module_-_Wiegand ?

that one doesn't come up when you go to buy it for some reason...here is what i am trying to accomplish...I have an IOPROX key tag.


I am trying to use my arduino to read the tag and then be able to replicate the data read either on the fly to a prox sensor OR to write other cards.