diff --git a/client/cmdlft55xx.h b/client/cmdlft55xx.h
index 41f7f1d4a..7f08b6f5a 100644
--- a/client/cmdlft55xx.h
+++ b/client/cmdlft55xx.h
@@ -52,6 +52,8 @@
 #define T55X7_NORALYS_CONFIG_BLOCK		0x00088C6A	// ASK, compat mode,   (NORALYS - KCP3000)
 #define T55X7_IOPROX_CONFIG_BLOCK		0x00147040  // ioprox - FSK2a, data rate 64, 2 data blocks
 #define T55X7_PRESCO_CONFIG_BLOCK		0x00088088  // ASK, data rate 32, Manchester, 5 data blocks, STT
+#define T55X7_NEDAP_64_CONFIG_BLOCK		0x907f0042  // BiPhase,  data rate 64, 3 data blocks
+#define T55X7_NEDAP_128_CONFIG_BLOCK	0x907f0082  // BiPhase,  data rate 64, 5 data blocks
 #define T55X7_bin 0b0010
 
 #define T5555_DEFAULT_CONFIG_BLOCK		0x6001F004  // data rate 64 , ask, manchester, 2 data blocks?
@@ -68,6 +70,8 @@ enum {
 	VIKING = 0x07,
 	NORALSYS = 0x08,
 	IOPROX = 0x09,
+	NEDAP_64 = 0x0A,
+	NEDAP_128 = 0x0B,
 } t55xx_tag;
 
 typedef struct {