diff --git a/include/mifare.h b/include/mifare.h
index 6943518d8..a7b413b00 100644
--- a/include/mifare.h
+++ b/include/mifare.h
@@ -92,8 +92,31 @@ typedef struct {
 //-----------------------------------------------------------------------------
 // FeliCa
 //-----------------------------------------------------------------------------
+// IDm  = ID manufacturer
+// mc = manufactureCode
+// mc1 mc2 u1 u2 u3 u4 u5 u6
+// PMm  = Product manufacturer
+// icCode = 
+//		ic1 = ROM
+//		ic2 = IC
+// maximum response time =
+//		B3(request service)
+//		B4(request response)
+//		B5(authenticate)
+//		B6(read)
+//		B7(write)
+//		B8()	
+
+// ServiceCode  2bytes  (access-rights)
+// FileSystem = 1 Block = 16 bytes
 typedef struct {
-	uint8_t uid[8];
+	uint8_t IDm[8];
+	uint8_t code[2];
+	uint8_t uid[6];
+	uint8_t PMm[8];
+	uint8_t iccode[2];
+	uint8_t mrt[6];
+	uint8_t servicecode[2];	
 } __attribute__((__packed__)) felica_card_select_t;
 
 typedef enum FELICA_COMMAND {