diff --git a/arch/cpu/cc2538/cc2538-def.h b/arch/cpu/cc2538/cc2538-def.h
index 163456a14..defa4ecb0 100644
--- a/arch/cpu/cc2538/cc2538-def.h
+++ b/arch/cpu/cc2538/cc2538-def.h
@@ -36,11 +36,13 @@
 /*---------------------------------------------------------------------------*/
 #define RTIMER_ARCH_SECOND 32768
 /*---------------------------------------------------------------------------*/
+#define CC2538_PHY_OVERHEAD          3
+#define CC2538_BYTE_AIR_TIME         32
 /* 352us from calling transmit() until the SFD byte has been sent */
-#define CC2538_DELAY_BEFORE_TX     ((unsigned)US_TO_RTIMERTICKS(352))
+#define CC2538_DELAY_BEFORE_TX       ((unsigned)US_TO_RTIMERTICKS(352))
 /* 192us as in datasheet but ACKs are not always received, so adjusted to 250us */
-#define CC2538_DELAY_BEFORE_RX     ((unsigned)US_TO_RTIMERTICKS(250))
-#define CC2538_DELAY_BEFORE_DETECT 0
+#define CC2538_DELAY_BEFORE_RX       ((unsigned)US_TO_RTIMERTICKS(250))
+#define CC2538_DELAY_BEFORE_DETECT   0
 /* Frame filtering done in software */
 #define TSCH_CONF_HW_FRAME_FILTERING  0
 
diff --git a/arch/platform/cc2538dk/dev/board.h b/arch/platform/cc2538dk/dev/board.h
index 80f036fd7..2540b7ce7 100644
--- a/arch/platform/cc2538dk/dev/board.h
+++ b/arch/platform/cc2538dk/dev/board.h
@@ -220,6 +220,18 @@
 #endif  /* #if SPI1_IN_USE */
 /** @} */
 /*---------------------------------------------------------------------------*/
+/**
+ * \name CC2538 TSCH configuration
+ *
+ * @{
+ */
+#define RADIO_PHY_OVERHEAD        CC2538_PHY_OVERHEAD
+#define RADIO_BYTE_AIR_TIME       CC2538_BYTE_AIR_TIME
+#define RADIO_DELAY_BEFORE_TX     CC2538_DELAY_BEFORE_TX
+#define RADIO_DELAY_BEFORE_RX     CC2538_DELAY_BEFORE_RX
+#define RADIO_DELAY_BEFORE_DETECT CC2538_DELAY_BEFORE_DETECT
+/** @} */
+/*---------------------------------------------------------------------------*/
 /**
  * \name Device string used on startup
  * @{
diff --git a/arch/platform/openmote-cc2538/board.h b/arch/platform/openmote-cc2538/board.h
index abb89b8e2..6e2a15e46 100644
--- a/arch/platform/openmote-cc2538/board.h
+++ b/arch/platform/openmote-cc2538/board.h
@@ -174,6 +174,18 @@
 #define I2C_SDA_PIN              4
 /** @} */
 /*---------------------------------------------------------------------------*/
+/**
+ * \name CC2538 TSCH configuration
+ *
+ * @{
+ */
+#define RADIO_PHY_OVERHEAD        CC2538_PHY_OVERHEAD
+#define RADIO_BYTE_AIR_TIME       CC2538_BYTE_AIR_TIME
+#define RADIO_DELAY_BEFORE_TX     CC2538_DELAY_BEFORE_TX
+#define RADIO_DELAY_BEFORE_RX     CC2538_DELAY_BEFORE_RX
+#define RADIO_DELAY_BEFORE_DETECT CC2538_DELAY_BEFORE_DETECT
+/** @} */
+/*---------------------------------------------------------------------------*/
 /**
  * \name Device string used on startup
  * @{