diff --git a/radio/src/gui/colorlcd/CMakeLists.txt b/radio/src/gui/colorlcd/CMakeLists.txt
index bc1d9a0af03..60398902e2f 100644
--- a/radio/src/gui/colorlcd/CMakeLists.txt
+++ b/radio/src/gui/colorlcd/CMakeLists.txt
@@ -149,6 +149,10 @@ if(MULTIMODULE)
   add_gui_src(mpm_settings.cpp)
 endif()
 
+if(INTERNAL_MODULE_PXX1)
+  add_gui_src(pxx1_settings.cpp)
+endif()
+
 if(PXX2)
   add_gui_src(access_settings.cpp)
 endif()
diff --git a/radio/src/gui/colorlcd/hw_intmodule.cpp b/radio/src/gui/colorlcd/hw_intmodule.cpp
index 9e62d211702..ad66e647b0a 100644
--- a/radio/src/gui/colorlcd/hw_intmodule.cpp
+++ b/radio/src/gui/colorlcd/hw_intmodule.cpp
@@ -54,12 +54,44 @@ InternalModuleWindow::InternalModuleWindow(Window *parent) :
   internalModule->setAvailableHandler(
       [](int module) { return isInternalModuleSupported(module); });
 
-#if defined(CROSSFIRE)
+#if defined(INTERNAL_MODULE_PXX1) && defined(EXTERNAL_ANTENNA)
   box = new FormGroup(box, rect_t{});
   box->setFlexLayout(LV_FLEX_FLOW_ROW, lv_dpx(8));
 
+  ant_box = box->getLvObj();
+  lv_obj_set_width(ant_box, LV_SIZE_CONTENT);
+  lv_obj_set_style_flex_cross_place(ant_box, LV_FLEX_ALIGN_CENTER, 0);
+
+  new StaticText(box, rect_t{}, STR_ANTENNA, 0, COLOR_THEME_PRIMARY1);
+  new Choice(
+      box, rect_t{}, STR_ANTENNA_MODES, ANTENNA_MODE_INTERNAL,
+      ANTENNA_MODE_EXTERNAL, GET_DEFAULT(g_eeGeneral.antennaMode),
+      [](int antenna) {
+        if (!isExternalAntennaEnabled() &&
+            (antenna == ANTENNA_MODE_EXTERNAL ||
+             (antenna == ANTENNA_MODE_PER_MODEL &&
+              g_model.moduleData[INTERNAL_MODULE].pxx.antennaMode ==
+                  ANTENNA_MODE_EXTERNAL))) {
+          if (confirmationDialog(STR_ANTENNACONFIRM1, STR_ANTENNACONFIRM2)) {
+            g_eeGeneral.antennaMode = antenna;
+            SET_DIRTY();
+          }
+        } else {
+          g_eeGeneral.antennaMode = antenna;
+          checkExternalAntenna();
+          SET_DIRTY();
+        }
+      });
+
+  updateAntennaLine();
+#endif
+
+#if defined(CROSSFIRE)
+  box = new FormGroup(box, rect_t{});
+  box->setFlexLayout(LV_FLEX_FLOW_ROW);
+
   br_box = box->getLvObj();
-  lv_obj_set_width(br_box, LV_SIZE_CONTENT); 
+  lv_obj_set_width(br_box, LV_SIZE_CONTENT);
   lv_obj_set_style_flex_cross_place(br_box, LV_FLEX_ALIGN_CENTER, 0);
 
   new StaticText(box, rect_t{}, STR_BAUDRATE, 0, COLOR_THEME_PRIMARY1);
@@ -78,6 +110,7 @@ void InternalModuleWindow::setModuleType(int moduleType)
   }
   g_eeGeneral.internalModule = moduleType;
   updateBaudrateLine();
+  updateAntennaLine();
   SET_DIRTY();
 }
 
@@ -105,3 +138,14 @@ void InternalModuleWindow::updateBaudrateLine()
   }
 #endif
 }
+
+void InternalModuleWindow::updateAntennaLine()
+{
+#if defined(INTERNAL_MODULE_PXX1) && defined(EXTERNAL_ANTENNA)
+  if (isInternalModuleAvailable(MODULE_TYPE_XJT_PXX1)) {
+    lv_obj_clear_flag(ant_box, LV_OBJ_FLAG_HIDDEN);
+  } else {
+    lv_obj_add_flag(ant_box, LV_OBJ_FLAG_HIDDEN);
+  }
+#endif
+}
diff --git a/radio/src/gui/colorlcd/hw_intmodule.h b/radio/src/gui/colorlcd/hw_intmodule.h
index e55a65a3185..d94343429d6 100644
--- a/radio/src/gui/colorlcd/hw_intmodule.h
+++ b/radio/src/gui/colorlcd/hw_intmodule.h
@@ -31,6 +31,7 @@ class InternalModuleWindow : public FormGroup::Line
  protected:
   uint8_t lastModule = 0;
   lv_obj_t* br_box = nullptr;
+  lv_obj_t* ant_box = nullptr;
 
 #if defined(CROSSFIRE)
   static int getBaudrate();
@@ -39,4 +40,5 @@ class InternalModuleWindow : public FormGroup::Line
 
   void setModuleType(int moduleType);
   void updateBaudrateLine();
+  void updateAntennaLine();
 };
diff --git a/radio/src/gui/colorlcd/module_setup.cpp b/radio/src/gui/colorlcd/module_setup.cpp
index 11d5480ea30..ce198327e71 100644
--- a/radio/src/gui/colorlcd/module_setup.cpp
+++ b/radio/src/gui/colorlcd/module_setup.cpp
@@ -33,6 +33,10 @@
 #include "channel_range.h"
 #include "storage/modelslist.h"
 
+#if defined(INTERNAL_MODULE_PXX1) && defined(EXTERNAL_ANTENNA)
+#include "pxx1_settings.h"
+#endif
+
 #if defined(PXX2)
 #include "access_settings.h"
 #endif
@@ -219,6 +223,12 @@ void ModuleWindow::updateModule()
     modOpts = new MultimoduleSettings(this, grid, moduleIdx);
   }
 #endif
+#if defined(INTERNAL_MODULE_PXX1) && defined(EXTERNAL_ANTENNA)
+  else if (moduleIdx == INTERNAL_MODULE && isModuleXJT(moduleIdx) &&
+           g_eeGeneral.antennaMode == ANTENNA_MODE_PER_MODEL) {
+    modOpts = new PXX1AntennaSettings(this, grid, moduleIdx);
+  }
+#endif
 
   // Channel Range
   auto line = newLine(&grid);
@@ -533,17 +543,6 @@ void ModuleWindow::startRSSIDialog(std::function<void()> closeHandler)
   });
 }
 
-// void ModuleWindow::checkEvents()
-// {
-//   if (isModuleFailsafeAvailable(moduleIdx) != hasFailsafe && rfChoice &&
-//       !rfChoice->isEditMode()) {
-//     hasFailsafe = isModuleFailsafeAvailable(moduleIdx);
-//     update();
-//   }
-
-//   FormGroup::checkEvents();
-// }
-
 class ModuleSubTypeChoice: public Choice
 {
   uint8_t moduleIdx;
diff --git a/radio/src/gui/colorlcd/pxx1_settings.cpp b/radio/src/gui/colorlcd/pxx1_settings.cpp
new file mode 100644
index 00000000000..f69bb32d8d5
--- /dev/null
+++ b/radio/src/gui/colorlcd/pxx1_settings.cpp
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) EdgeTX
+ *
+ * Based on code named
+ *   opentx - https://github.com/opentx/opentx
+ *   th9x - http://code.google.com/p/th9x
+ *   er9x - http://code.google.com/p/er9x
+ *   gruvin9x - http://code.google.com/p/gruvin9x
+ *
+ * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include "pxx1_settings.h"
+#include "choice.h"
+
+#include "opentx.h"
+
+#define SET_DIRTY() storageDirty(EE_MODEL)
+
+PXX1AntennaSettings::PXX1AntennaSettings(Window* parent,
+                                         const FlexGridLayout& g,
+                                         uint8_t moduleIdx) :
+    FormGroup(parent, rect_t{}), md(&g_model.moduleData[moduleIdx])
+{
+  FlexGridLayout grid(g);
+  setFlexLayout();
+
+  auto line = newLine(&grid);
+  new StaticText(line, rect_t{}, STR_ANTENNA, 0, COLOR_THEME_PRIMARY1);
+
+  if (md->pxx.antennaMode == ANTENNA_MODE_PER_MODEL) {
+    md->pxx.antennaMode = ANTENNA_MODE_INTERNAL;
+    SET_DIRTY();
+  }
+
+  auto antennaChoice = new Choice(
+      line, rect_t{}, STR_ANTENNA_MODES, ANTENNA_MODE_INTERNAL,
+      ANTENNA_MODE_EXTERNAL, GET_DEFAULT(md->pxx.antennaMode),
+      [=](int32_t antenna) -> void {
+        if (!isExternalAntennaEnabled() && (antenna == ANTENNA_MODE_EXTERNAL)) {
+          if (confirmationDialog(STR_ANTENNACONFIRM1, STR_ANTENNACONFIRM2)) {
+            md->pxx.antennaMode = antenna;
+            SET_DIRTY();
+          }
+        } else {
+          md->pxx.antennaMode = antenna;
+          SET_DIRTY();
+          checkExternalAntenna();
+        }
+      });
+
+  antennaChoice->setAvailableHandler(
+      [=](int8_t mode) { return mode != ANTENNA_MODE_PER_MODEL; });
+}
diff --git a/radio/src/gui/colorlcd/pxx1_settings.h b/radio/src/gui/colorlcd/pxx1_settings.h
new file mode 100644
index 00000000000..3709b5d51b8
--- /dev/null
+++ b/radio/src/gui/colorlcd/pxx1_settings.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) EdgeTX
+ *
+ * Based on code named
+ *   opentx - https://github.com/opentx/opentx
+ *   th9x - http://code.google.com/p/th9x
+ *   er9x - http://code.google.com/p/er9x
+ *   gruvin9x - http://code.google.com/p/gruvin9x
+ *
+ * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#pragma once
+
+#include "form.h"
+#include "module_setup.h"
+
+struct ModuleData;
+
+class PXX1AntennaSettings : public FormGroup, public ModuleOptions
+{
+  ModuleData* md;
+
+  void update() override {}
+  
+public:
+  PXX1AntennaSettings(Window* parent, const FlexGridLayout& g, uint8_t moduleIdx);
+};
diff --git a/radio/src/gui/gui_common.cpp b/radio/src/gui/gui_common.cpp
index c89e51db100..18de0210268 100644
--- a/radio/src/gui/gui_common.cpp
+++ b/radio/src/gui/gui_common.cpp
@@ -573,6 +573,104 @@ bool isSourceAvailableInResetSpecialFunction(int index)
   }
 }
 
+#if defined(EXTERNAL_ANTENNA) && defined(INTERNAL_MODULE_PXX1)
+
+#if defined(COLORLCD)
+
+class AntennaSelectionMenu : public Menu
+{
+  bool& done;
+
+public:
+  AntennaSelectionMenu(bool& done) : Menu(MainWindow::instance()), done(done) {
+    setTitle(STR_ANTENNA);
+    addLine(STR_USE_INTERNAL_ANTENNA,
+            [] { globalData.externalAntennaEnabled = false; });
+    addLine(STR_USE_EXTERNAL_ANTENNA,
+            [] { globalData.externalAntennaEnabled = true; });
+    setCloseHandler([=]() { this->done = true; });
+    setCloseWhenClickOutside(false);
+  }
+protected:
+  void onCancel() override {}
+};
+
+static void runAntennaSelectionMenu()
+{
+  bool finished = false;
+  new AntennaSelectionMenu(finished);
+
+  while (!finished) {
+    WDG_RESET();
+    MainWindow::instance()->run();
+    LvglWrapper::runNested();
+    RTOS_WAIT_MS(20);
+  }
+}
+#else
+void onAntennaSelection(const char* result)
+{
+  if (result == STR_USE_INTERNAL_ANTENNA) {
+    globalData.externalAntennaEnabled = false;
+  } else if (result == STR_USE_EXTERNAL_ANTENNA) {
+    globalData.externalAntennaEnabled = true;
+  } else {
+    checkExternalAntenna();
+  }
+}
+
+void onAntennaSwitchConfirm(const char * result)
+{
+  if (result == STR_OK) {
+    // Switch to external antenna confirmation
+    globalData.externalAntennaEnabled = true;
+  }
+}
+#endif
+
+void checkExternalAntenna()
+{
+  if (isModuleXJT(INTERNAL_MODULE)) {
+    if (g_eeGeneral.antennaMode == ANTENNA_MODE_EXTERNAL) {
+      // TRACE("checkExternalAntenna(): External");
+      globalData.externalAntennaEnabled = true;
+    } else if (g_eeGeneral.antennaMode == ANTENNA_MODE_PER_MODEL &&
+               g_model.moduleData[INTERNAL_MODULE].pxx.antennaMode ==
+                   ANTENNA_MODE_EXTERNAL) {
+      // TRACE("checkExternalAntenna(): Per Model, External");
+      if (!globalData.externalAntennaEnabled) {
+#if defined(COLORLCD)
+        if (confirmationDialog(STR_ANTENNACONFIRM1, STR_ANTENNACONFIRM2)) {
+          globalData.externalAntennaEnabled = true;
+        }
+#else
+        POPUP_CONFIRMATION(STR_ANTENNACONFIRM1, onAntennaSwitchConfirm);
+        SET_WARNING_INFO(STR_ANTENNACONFIRM2, sizeof(TR_ANTENNACONFIRM2), 0);
+#endif
+      }
+    } else if (g_eeGeneral.antennaMode == ANTENNA_MODE_ASK ||
+               (g_eeGeneral.antennaMode == ANTENNA_MODE_PER_MODEL &&
+                g_model.moduleData[INTERNAL_MODULE].pxx.antennaMode ==
+                    ANTENNA_MODE_ASK)) {
+
+      // TRACE("checkExternalAntenna(): Ask");
+      globalData.externalAntennaEnabled = false;
+
+#if defined(COLORLCD)
+      runAntennaSelectionMenu();
+#else
+      POPUP_MENU_ADD_ITEM(STR_USE_INTERNAL_ANTENNA);
+      POPUP_MENU_ADD_ITEM(STR_USE_EXTERNAL_ANTENNA);
+      POPUP_MENU_START(onAntennaSelection);
+#endif
+    } else {
+      globalData.externalAntennaEnabled = false;
+    }
+  } else {
+    globalData.externalAntennaEnabled = false;
+  }
+}
+#endif
 
 #if defined(PXX2)
 bool isPxx2IsrmChannelsCountAllowed(int channels)
diff --git a/radio/src/gui/gui_common.h b/radio/src/gui/gui_common.h
index 34e8ab563bd..cbf9ef23184 100644
--- a/radio/src/gui/gui_common.h
+++ b/radio/src/gui/gui_common.h
@@ -195,6 +195,12 @@ inline uint8_t MODULE_CHANNELS_ROWS(int moduleIdx)
   }
 }
 
+#if defined(EXTERNAL_ANTENNA) && defined(INTERNAL_MODULE_PXX1)
+void onAntennaSwitchConfirm(const char * result);
+void checkExternalAntenna();
+void onAntennaSelection(const char* result);
+#endif
+
 #if defined(PXX2)
 inline bool isRacingModeAllowed()
 {
diff --git a/radio/src/pulses/modules_constants.h b/radio/src/pulses/modules_constants.h
index a5dd23e01bc..0e12712acc3 100644
--- a/radio/src/pulses/modules_constants.h
+++ b/radio/src/pulses/modules_constants.h
@@ -88,7 +88,7 @@ enum R9MLBTPowerValues {
 };
 
 enum AntennaTypes {
-  XJT_INTERNAL_ANTENNA,
+  XJT_INTERNAL_ANTENNA = 0,
   XJT_EXTERNAL_ANTENNA
 };
 
diff --git a/radio/src/storage/storage_common.cpp b/radio/src/storage/storage_common.cpp
index 928fc359df3..624eba48ebd 100644
--- a/radio/src/storage/storage_common.cpp
+++ b/radio/src/storage/storage_common.cpp
@@ -106,64 +106,6 @@ void postRadioSettingsLoad()
 #endif
 }
 
-#if defined(EXTERNAL_ANTENNA) && defined(INTERNAL_MODULE_PXX1)
-void onAntennaSelection(const char * result)
-{
-  if (result == STR_USE_INTERNAL_ANTENNA) {
-    globalData.externalAntennaEnabled = false;
-  }
-  else if (result == STR_USE_EXTERNAL_ANTENNA) {
-    globalData.externalAntennaEnabled = true;
-  }
-  else {
-    checkExternalAntenna();
-  }
-}
-
-void onAntennaSwitchConfirm(const char * result)
-{
-  if (result == STR_OK) {
-    // Switch to external antenna confirmation
-    globalData.externalAntennaEnabled = true;
-  }
-}
-
-void checkExternalAntenna()
-{
-  if (isModuleXJT(INTERNAL_MODULE)) {
-    if (g_eeGeneral.antennaMode == ANTENNA_MODE_EXTERNAL) {
-      globalData.externalAntennaEnabled = true;
-    }
-    else if (g_eeGeneral.antennaMode == ANTENNA_MODE_PER_MODEL && g_model.moduleData[INTERNAL_MODULE].pxx.antennaMode == ANTENNA_MODE_EXTERNAL) {
-      if (!globalData.externalAntennaEnabled) {
-#if defined(COLORLCD)
-#warning "Antenna confirmation dialog needed"
-#else
-        POPUP_CONFIRMATION(STR_ANTENNACONFIRM1, onAntennaSwitchConfirm);
-        SET_WARNING_INFO(STR_ANTENNACONFIRM2, sizeof(TR_ANTENNACONFIRM2), 0);
-#endif
-      }
-    }
-    else if (g_eeGeneral.antennaMode == ANTENNA_MODE_ASK || (g_eeGeneral.antennaMode == ANTENNA_MODE_PER_MODEL && g_model.moduleData[INTERNAL_MODULE].pxx.antennaMode == ANTENNA_MODE_ASK)) {
-      globalData.externalAntennaEnabled = false;
-#if defined(COLORLCD)
-#warning "Antenna confirmation dialog needed"
-#else
-      POPUP_MENU_ADD_ITEM(STR_USE_INTERNAL_ANTENNA);
-      POPUP_MENU_ADD_ITEM(STR_USE_EXTERNAL_ANTENNA);
-      POPUP_MENU_START(onAntennaSelection);
-#endif
-    }
-    else {
-      globalData.externalAntennaEnabled = false;
-    }
-  }
-  else {
-    globalData.externalAntennaEnabled = false;
-  }
-}
-#endif
-
 void postModelLoad(bool alarms)
 {
 #if defined(PXX2)
diff --git a/radio/src/targets/horus/hal.h b/radio/src/targets/horus/hal.h
index 5046e747d0d..a279b256ff9 100644
--- a/radio/src/targets/horus/hal.h
+++ b/radio/src/targets/horus/hal.h
@@ -810,10 +810,10 @@
   #define FLYSKY_HALL_TX_DMA_Stream_IRQHandler     DMA1_Stream4_IRQHandler
 #endif
 
-// Internal Module
-#if !defined(RADIO_FAMILY_T16)
-  #define EXTERNAL_ANTENNA
-#endif
+// Internal PXX1 Module:
+//  -> let's assume all internal XJT modules used are either X10 or X12S type
+#define EXTERNAL_ANTENNA
+
 #define INTMODULE_RCC_AHB1Periph        (RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB | RCC_AHB1Periph_DMA2)
 #define INTMODULE_PWR_GPIO              GPIOA
 #define INTMODULE_PWR_GPIO_PIN          GPIO_Pin_8  // PA.08