diff --git a/sys/include/net/ieee802154.h b/sys/include/net/ieee802154.h
index 661eed1f68..0f0caa7eb9 100644
--- a/sys/include/net/ieee802154.h
+++ b/sys/include/net/ieee802154.h
@@ -94,7 +94,21 @@ extern "C" {
 #define IEEE802154_CHANNEL_MAX          (26U)   /**< Maximum channel for 2.4 GHz band */
 /** @} */
 
-#define IEEE802154_FRAME_LEN_MAX        (127U)  /**< maximum frame length */
+#define IEEE802154_FRAME_LEN_MAX        (127U)  /**< maximum 802.15.4 frame length */
+#define IEEE802154G_FRAME_LEN_MAX      (2047U)  /**< maximum 802.15.4g-2012 frame length */
+
+/**
+ * @brief   802.15.4 PHY modes
+ */
+enum {
+    IEEE802154_PHY_DISABLED,        /**< PHY disabled, no mode selected */
+    IEEE802154_PHY_BPSK,            /**< Binary Phase Shift Keying */
+    IEEE802154_PHY_ASK,             /**< Amplitude-Shift Keying */
+    IEEE802154_PHY_OQPSK,           /**< Offset Quadrature Phase-Shift Keying */
+    IEEE802154_PHY_MR_OQPSK,        /**< Multi-Rate Offset Quadrature Phase-Shift Keying */
+    IEEE802154_PHY_MR_OFDM,         /**< Multi-Rate Orthogonal Frequency-Division Multiplexing */
+    IEEE802154_PHY_MR_FSK           /**< Multi-Rate Frequency Shift Keying */
+};
 
 /**
  * @brief   Special address definitions
diff --git a/sys/include/net/netopt.h b/sys/include/net/netopt.h
index b1739646c3..1c3bced331 100644
--- a/sys/include/net/netopt.h
+++ b/sys/include/net/netopt.h
@@ -651,6 +651,11 @@ typedef enum {
      */
     NETOPT_LORAWAN_MIN_RX_SYMBOL,
 
+    /**
+     * @brief   (uint8_t) 802.15.4 PHY mode
+     */
+    NETOPT_IEEE802154_PHY,
+
     /**
      * @brief   (uint8_t*) phy layer syncword
      */