diff --git a/src/wifi/model/wifi-phy.cc b/src/wifi/model/wifi-phy.cc
index ad44dd6f6..40491c84f 100644
--- a/src/wifi/model/wifi-phy.cc
+++ b/src/wifi/model/wifi-phy.cc
@@ -505,7 +505,7 @@ WifiPhy::GetTypeId (void)
                      "Trace source indicating a packet "
                      "has begun transmitting over the channel medium",
                      MakeTraceSourceAccessor (&WifiPhy::m_phyTxBeginTrace),
-                     "ns3::Packet::TracedCallback")
+                     "ns3::WifiPhy::PhyTxBeginTracedCallback")
     .AddTraceSource ("PhyTxPsduBegin",
                      "Trace source indicating a PSDU "
                      "has begun transmitting over the channel medium",
@@ -526,7 +526,7 @@ WifiPhy::GetTypeId (void)
                      "has begun being received from the channel medium "
                      "by the device",
                      MakeTraceSourceAccessor (&WifiPhy::m_phyRxBeginTrace),
-                     "ns3::Packet::TracedCallback")
+                     "ns3::WifiPhy::PhyRxBeginTracedCallback")
     .AddTraceSource ("PhyRxPayloadBegin",
                      "Trace source indicating the reception of the "
                      "payload of a PPDU has begun",
diff --git a/src/wifi/model/wifi-phy.h b/src/wifi/model/wifi-phy.h
index d786d321c..6dba65eb8 100644
--- a/src/wifi/model/wifi-phy.h
+++ b/src/wifi/model/wifi-phy.h
@@ -678,6 +678,14 @@ public:
                                             MpduInfo aMpdu,
                                             uint16_t staId);
 
+  /**
+   * TracedCallback signature for Phy transmit events.
+   *
+   * \param packet the packet being transmitted
+   * \param txPowerW the transmit power in Watts
+   */
+  typedef void (* PhyTxBeginTracedCallback)(Ptr<const Packet> packet, double txPowerW);
+
   /**
    * TracedCallback signature for PSDU transmit events.
    *
@@ -687,6 +695,14 @@ public:
    */
   typedef void (* PsduTxBeginCallback)(WifiConstPsduMap psduMap, WifiTxVector txVector, double txPowerW);
 
+  /**
+   * TracedCallback signature for PhyRxBegin trace source.
+   *
+   * \param packet the packet being received
+   * \param rxPowersW the receive power per channel band in Watts
+   */
+  typedef void (* PhyRxBeginTracedCallback) (Ptr<const Packet> packet, RxPowerWattPerChannelBand rxPowersW);
+
   /**
    * TracedCallback signature for start of PSDU reception events.
    *