diff --git a/knx-linux/CMakeLists.txt b/knx-linux/CMakeLists.txt
index 76d1b3b..dd55a25 100644
--- a/knx-linux/CMakeLists.txt
+++ b/knx-linux/CMakeLists.txt
@@ -78,4 +78,4 @@ include_directories(../src)
 set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wall -Wno-unknown-pragmas -Wno-switch -g -O0")
 set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Wall -Wno-unknown-pragmas -Wno-switch -g -O0")
 set_property(TARGET knx-linux PROPERTY CXX_STANDARD 11)
-install(TARGETS knx-linux RUNTIME DESTINATION /tmp)
+add_definitions(-DMEDIUM_TYPE=0)
diff --git a/src/knx/bau27B0.cpp b/src/knx/bau27B0.cpp
index f704eb5..3e1b548 100644
--- a/src/knx/bau27B0.cpp
+++ b/src/knx/bau27B0.cpp
@@ -1,3 +1,5 @@
+#if MEDIUM_TYPE == 2
+
 #include "bau27B0.h"
 #include "bits.h"
 #include <string.h>
@@ -113,3 +115,5 @@ void Bau27B0::individualAddressSerialNumberReadIndication(Priority priority, Hop
     if (!memcmp(knxSerialNumber, curSerialNumber, 6))
         _appLayer.IndividualAddressSerialNumberReadResponse(priority, hopType, _rfMediumObj.rfDomainAddress(), knxSerialNumber);
 }
+
+#endif // #if MEDIUM_TYPE == 2
diff --git a/src/knx/rf_data_link_layer.cpp b/src/knx/rf_data_link_layer.cpp
index 253083e..f4b6ff6 100644
--- a/src/knx/rf_data_link_layer.cpp
+++ b/src/knx/rf_data_link_layer.cpp
@@ -1,3 +1,5 @@
+#if MEDIUM_TYPE == 2
+
 #include "rf_physical_layer.h"
 #include "rf_data_link_layer.h"
 
@@ -363,3 +365,5 @@ void RfDataLinkLayer::loadNextTxFrame(uint8_t** sendBuffer, uint16_t* sendBuffer
     }
     delete tx_frame;
 }
+
+#endif // #if MEDIUM_TYPE == 2
diff --git a/src/knx/rf_physical_layer.cpp b/src/knx/rf_physical_layer.cpp
index 5b5c9c8..590667d 100644
--- a/src/knx/rf_physical_layer.cpp
+++ b/src/knx/rf_physical_layer.cpp
@@ -1,3 +1,5 @@
+#if MEDIUM_TYPE == 2
+
 #include "rf_physical_layer.h"
 #include "rf_data_link_layer.h"
 
@@ -793,3 +795,5 @@ void RfPhysicalLayer::loop()
         break;
     }
 }
+
+#endif // #if MEDIUM_TYPE == 2