Legic reader with SC2140 chip set; R/W with Legic ATC512, ATC2048 & Legic Prime Card; read UID of ISO14443A compatible cards. See Vitlon Legic Reader Literature Vitlon.Pdf for more details. RDR-L338M-N-xx Model: Black base black cover RDR-L338M-N-BBSilver base black cover RDR-L338M-N-SBBlack base Silver cover RDR-L338M-N-BSSilver base silver cover RDR-L338M-N-SS