+#define CC1120_PREAMBLE_CFG1_NUM_PREAMBLE 2
+#define CC1120_PREAMBLE_CFG1_NUM_PREAMBLE_NONE 0
+#define CC1120_PREAMBLE_CFG1_NUM_PREAMBLE_0_5_BYTE 1
+#define CC1120_PREAMBLE_CFG1_NUM_PREAMBLE_1_BYTE 2
+#define CC1120_PREAMBLE_CFG1_NUM_PREAMBLE_1_5_BYTE 3
+#define CC1120_PREAMBLE_CFG1_NUM_PREAMBLE_2_BYTES 4
+#define CC1120_PREAMBLE_CFG1_NUM_PREAMBLE_3_BYTES 5
+#define CC1120_PREAMBLE_CFG1_NUM_PREAMBLE_4_BYTES 6
+#define CC1120_PREAMBLE_CFG1_NUM_PREAMBLE_5_BYTES 7
+#define CC1120_PREAMBLE_CFG1_NUM_PREAMBLE_6_BYTES 8
+#define CC1120_PREAMBLE_CFG1_NUM_PREAMBLE_7_BYTES 9
+#define CC1120_PREAMBLE_CFG1_NUM_PREAMBLE_8_BYTES 10
+#define CC1120_PREAMBLE_CFG1_NUM_PREAMBLE_12_BYTES 11
+#define CC1120_PREAMBLE_CFG1_NUM_PREAMBLE_24_BYTES 12
+#define CC1120_PREAMBLE_CFG1_NUM_PREAMBLE_30_BYTES 13
+#define CC1120_PREAMBLE_CFG1_NUM_PREAMBLE_MASK 0xf
+
+#define CC1120_PREAMBLE_CFG1_PREAMBLE_WORD 0
+#define CC1120_PREAMBLE_CFG1_PREAMBLE_WORD_AA 0
+#define CC1120_PREAMBLE_CFG1_PREAMBLE_WORD_55 1
+#define CC1120_PREAMBLE_CFG1_PREAMBLE_WORD_33 2
+#define CC1120_PREAMBLE_CFG1_PREAMBLE_WORD_CC 3
+#define CC1120_PREAMBLE_CFG1_PREAMBLE_WORD_MASK 3
+