diff --git a/CMakeLists.txt b/CMakeLists.txt
index fc8e32c..a133231 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -50,6 +50,7 @@ add_executable(skl_tunnel
     radio/src/radio_hw_instance.cpp
 
     app/src/app_logging.cpp
+    app/src/app_transparent_client.cpp
     main.cpp
     syscalls.c
 )
diff --git a/app/include/app_settings.hpp b/app/include/app_settings.hpp
new file mode 100644
index 0000000..c853d2b
--- /dev/null
+++ b/app/include/app_settings.hpp
@@ -0,0 +1,25 @@
+//
+// Created by erki on 14.07.22.
+//
+
+#ifndef SKL_TUNNEL_APP_SETTINGS_HPP
+#define SKL_TUNNEL_APP_SETTINGS_HPP
+
+#include <cstdint>
+
+namespace App
+{
+
+struct RadioSettings
+{
+  std::uint16_t short_address = 0x0230;
+  std::uint64_t long_address = 0x1222334455667788;
+  std::uint8_t channel = 11;
+  std::uint16_t pan_id = 0x0023;
+  std::int16_t tx_power_dbm = 0;
+  std::uint8_t retries = 3;
+};
+
+}
+
+#endif //SKL_TUNNEL_APP_SETTINGS_HPP
diff --git a/app/include/app_transparent_client.hpp b/app/include/app_transparent_client.hpp
new file mode 100644
index 0000000..65d07da
--- /dev/null
+++ b/app/include/app_transparent_client.hpp
@@ -0,0 +1,35 @@
+//
+// Created by erki on 13.07.22.
+//
+
+#ifndef SKL_TUNNEL_APP_TRANSPARENT_CLIENT_HPP
+#define SKL_TUNNEL_APP_TRANSPARENT_CLIENT_HPP
+
+#include "app_settings.hpp"
+
+namespace radio
+{
+class HwInstance;
+}
+
+namespace App
+{
+
+class TransparentClient
+{
+public:
+  TransparentClient(const RadioSettings& initial_settings);
+
+  void apply_settings(const RadioSettings& settings);
+
+  TransparentClient(const TransparentClient&) = delete;
+  TransparentClient(TransparentClient&&) = delete;
+  TransparentClient& operator=(const TransparentClient&) = delete;
+  TransparentClient& operator=(TransparentClient&&) = delete;
+private:
+  radio::HwInstance* m_radio;
+};
+
+}
+
+#endif //SKL_TUNNEL_APP_TRANSPARENT_CLIENT_HPP
diff --git a/app/src/app_transparent_client.cpp b/app/src/app_transparent_client.cpp
new file mode 100644
index 0000000..1a52da7
--- /dev/null
+++ b/app/src/app_transparent_client.cpp
@@ -0,0 +1,28 @@
+//
+// Created by erki on 14.07.22.
+//
+
+#include "radio_hw_instance.hpp"
+
+#include "app_transparent_client.hpp"
+
+namespace App
+{
+
+TransparentClient::TransparentClient(const RadioSettings& initial_settings)
+  : m_radio(radio::HwInstance::instance())
+{
+  apply_settings(initial_settings);
+}
+
+void TransparentClient::apply_settings(const RadioSettings& settings)
+{
+  m_radio->set_address_short(settings.short_address);
+  m_radio->set_address_long(settings.long_address);
+  m_radio->set_channel(settings.channel);
+  m_radio->set_pan_id(settings.pan_id);
+  m_radio->set_tx_power(settings.tx_power_dbm);
+  m_radio->set_max_retries(settings.retries);
+}
+
+}
diff --git a/main.cpp b/main.cpp
index 1762ff0..20f7ca5 100644
--- a/main.cpp
+++ b/main.cpp
@@ -2,16 +2,20 @@
 
 #include <utility_logging.hpp>
 #include <utility_assert.hpp>
+#include <utility_staticpointer.hpp>
 
 #include "radio_hw_instance.hpp"
 #include "app_logging.hpp"
 #include "skullc_samd21_hal.hpp"
+#include "app_transparent_client.hpp"
 
 namespace Hal = Peripherals::Hal::Samd;
 
 namespace
 {
 
+Utility::StaticPointer<App::TransparentClient> m_app;
+
 [[noreturn]] void m_faultHandler(const char* expression, const char* file, const int line)
 {
   SKULLC_LOG_FATAL("Expression failed: (%s), source: %s:%d", expression, file, line);
@@ -34,9 +38,13 @@ int main()
 
   App::Logging::setup();
 
-  radio::HwInstance* radio_hw = radio::HwInstance::instance();
   SKULLC_LOG_DEBUG("Begin.");
 
+  const App::RadioSettings settings;
+
+  m_app.setup(settings);
+  radio::HwInstance* radio_hw = radio::HwInstance::instance();
+
 	/* Replace with your application code */
 	while (true)
   {