diff --git a/src/protocols/PhysicalLayer/PhysicalLayer.h b/src/protocols/PhysicalLayer/PhysicalLayer.h
index 93872ebd..a434bcb3 100644
--- a/src/protocols/PhysicalLayer/PhysicalLayer.h
+++ b/src/protocols/PhysicalLayer/PhysicalLayer.h
@@ -190,6 +190,24 @@ class PhysicalLayer {
     */
     virtual int16_t setFrequencyDeviation(float freqDev) = 0;
 
+    /*!
+      \brief Sets GFSK data shaping. Only available in FSK mode. Must be implemented in module class.
+
+      \param sh Shaping to be set. Set to zero to disable data shaping.
+
+      \returns \ref status_codes
+    */
+    virtual int16_t setDataShaping(float sh) = 0;
+
+    /*!
+      \brief Sets FSK data encoding. Only available in FSK mode. Must be implemented in module class.
+
+      \param enc Encoding to be used. Set to zero to for no encoding (NRZ).
+
+      \returns \ref status_codes
+    */
+    virtual int16_t setEncoding(uint8_t encoding) = 0;
+
     /*!
       \brief Gets the module frequency step size that was set in constructor.