diff --git a/src/dto/Packet.js b/src/dto/Packet.js
index b40997f..d411f49 100644
--- a/src/dto/Packet.js
+++ b/src/dto/Packet.js
@@ -9,6 +9,7 @@ const PacketType = {
     Acknowledgment: 'Acknowledgment',
     BlockAcknowledgment: 'BlockAcknowledgment',
     NoData: 'NoData',
+    ContentionFreePeriod: 'ContentionFreePeriod',
     Unknown: 'Unknown'
 }
 
diff --git a/src/streamHandler/PacketStreamFactory.js b/src/streamHandler/PacketStreamFactory.js
index 4fc96a6..48e910f 100644
--- a/src/streamHandler/PacketStreamFactory.js
+++ b/src/streamHandler/PacketStreamFactory.js
@@ -12,7 +12,8 @@ const PACKET_TYPE_MAP = {
     "Request-To-Send":  PacketType.RequestToSend,
     "Clear-To-Send":    PacketType.ClearToSend,
     "Acknowledgment":   PacketType.Acknowledgment,
-    "BA":               PacketType.BlockAcknowledgment
+    "BA":               PacketType.BlockAcknowledgment,
+    "CD":               PacketType.ContentionFreePeriod
 };
 const PACKET_TYPES_REGEX = Object.keys(PACKET_TYPE_MAP).join('|');