diff --git a/Display.h b/Display.h
index 4bfaf56..ba27ea4 100644
--- a/Display.h
+++ b/Display.h
@@ -94,7 +94,7 @@ void busyCallback(const void* p) {
   #define SCL_OLED 17
   #define SDA_OLED 18
   #endif
-#elif BOARD_MODEL == BOARD_RAK4631
+#elif BOARD_MODEL == BOARD_RAK4631 || BOARD_MODEL == BOARD_OPENCOM_XL
   #if DISPLAY == OLED
   // RAK1921/SSD1306
   #define DISP_RST -1
@@ -135,7 +135,7 @@ void busyCallback(const void* p) {
 
 #include "Graphics.h"
 
-#if BOARD_MODEL == BOARD_RAK4631
+#if BOARD_MODEL == BOARD_RAK4631 || BOARD_MODEL == BOARD_OPENCOM_XL
   #if DISPLAY == EINK_BW
   GxEPD2_BW<DISPLAY_MODEL, DISPLAY_MODEL::HEIGHT> display(DISPLAY_MODEL(pin_disp_cs, pin_disp_dc, pin_disp_reset, pin_disp_busy));
   float disp_target_fps = 0.2;
@@ -316,7 +316,7 @@ bool display_init() {
       // waiting for the display to update, it will poll the serial buffer to
       // check for any commands from the host.
       display.epd2.setBusyCallback(busyCallback);
-    #elif BOARD_MODEL == BOARD_RAK4631
+    #elif BOARD_MODEL == BOARD_RAK4631 || BOARD_MODEL == BOARD_OPENCOM_XL
       #if DISPLAY == OLED
       #elif DISPLAY == EINK_BW || DISPLAY == EINK_3C
       pinMode(pin_disp_en, INPUT_PULLUP);
@@ -386,7 +386,7 @@ bool display_init() {
       #elif BOARD_MODEL == BOARD_HELTEC32_V2
         disp_mode = DISP_MODE_PORTRAIT;
         display.setRotation(1);
-      #elif BOARD_MODEL == BOARD_RAK4631
+      #elif BOARD_MODEL == BOARD_RAK4631 || BOARD_MODEL == BOARD_OPENCOM_XL
         #if DISPLAY == OLED
         #elif DISPLAY == EINK_BW || DISPLAY == EINK_3C
         disp_mode = DISP_MODE_PORTRAIT;
@@ -397,7 +397,7 @@ bool display_init() {
       #elif BOARD_MODEL == BOARD_HELTEC32_V3
         disp_mode = DISP_MODE_PORTRAIT;
         display.setRotation(1);
-      #elif BOARD_MODEL == BOARD_RAK4631
+      #elif BOARD_MODEL == BOARD_RAK4631 || BOARD_MODEL == BOARD_OPENCOM_XL
         disp_mode = DISP_MODE_LANDSCAPE;
         display.setRotation(0);
       #elif BOARD_MODEL == BOARD_TDECK
diff --git a/Power.h b/Power.h
index 0aec818..80d6e11 100644
--- a/Power.h
+++ b/Power.h
@@ -62,7 +62,7 @@
   bool bat_voltage_dropping = false;
   float bat_delay_v = 0;
   float bat_state_change_v = 0;
-#elif BOARD_MODEL == BOARD_RAK4631
+#elif BOARD_MODEL == BOARD_RAK4631 || BOARD_MODEL == BOARD_OPENCOM_XL
   #include "nrfx_power.h"
   #define BAT_C_SAMPLES   7
   #define BAT_D_SAMPLES   2
@@ -291,7 +291,7 @@ void measure_battery() {
       battery_ready = false;
     }
 
-  #elif BOARD_MODEL == BOARD_RAK4631
+  #elif BOARD_MODEL == BOARD_RAK4631 || BOARD_MODEL == BOARD_OPENCOM_XL
     battery_installed = true;
     battery_indeterminate = false;
 
diff --git a/RNode_Firmware_CE.ino b/RNode_Firmware_CE.ino
index 4b39cd6..143bff9 100644
--- a/RNode_Firmware_CE.ino
+++ b/RNode_Firmware_CE.ino
@@ -19,7 +19,7 @@
 
 #if MCU_VARIANT == MCU_NRF52
   #define INTERFACE_SPI
-  #if BOARD_MODEL == BOARD_RAK4631 
+  #if BOARD_MODEL == BOARD_RAK4631 || BOARD_MODEL == BOARD_OPENCOM_XL
         // Required because on RAK4631, non-default SPI pins must be initialised when class is declared.
       SPIClass interface_spi[1] = {
             // SX1262
diff --git a/Radio.cpp b/Radio.cpp
index 852263c..f1d7b04 100644
--- a/Radio.cpp
+++ b/Radio.cpp
@@ -740,7 +740,7 @@ void sx126x::sleep()
 
 void sx126x::enableTCXO() {
   if (_tcxo) {
-    #if BOARD_MODEL == BOARD_RAK4631 || BOARD_MODEL == BOARD_HELTEC32_V3
+    #if BOARD_MODEL == BOARD_RAK4631 || BOARD_MODEL == BOARD_OPENCOM_XL || BOARD_MODEL == BOARD_HELTEC32_V3
       uint8_t buf[4] = {MODE_TCXO_3_3V_6X, 0x00, 0x00, 0xFF};
     #elif BOARD_MODEL == BOARD_TBEAM
       uint8_t buf[4] = {MODE_TCXO_1_8V_6X, 0x00, 0x00, 0xFF};
@@ -2240,7 +2240,7 @@ void sx128x::disableTCXO() {
 
 void sx128x::setTxPower(int level, int outputPin) {
     uint8_t tx_buf[2];
-    #if BOARD_VARIANT == MODEL_13
+    #if BOARD_VARIANT == MODEL_13 || BOARD_VARIANT == MODEL_21
     // RAK4631 with WisBlock SX1280 module (LIBSYS002)
     if (level > 27) {
         level = 27;
diff --git a/Utilities.h b/Utilities.h
index d9a34be..8a0eb9d 100644
--- a/Utilities.h
+++ b/Utilities.h
@@ -236,7 +236,7 @@ uint8_t boot_vector = 0x00;
 		void led_tx_off() { digitalWrite(pin_led_tx, LOW); }
 	#endif
 #elif MCU_VARIANT == MCU_NRF52
-    #if BOARD_MODEL == BOARD_RAK4631
+    #if BOARD_MODEL == BOARD_RAK4631 || BOARD_MODEL == BOARD_OPENCOM_XL
 		void led_rx_on()  { digitalWrite(pin_led_rx, HIGH); }
 		void led_rx_off() {	digitalWrite(pin_led_rx, LOW); }
 		void led_tx_on()  { digitalWrite(pin_led_tx, HIGH); }
@@ -1427,7 +1427,9 @@ bool eeprom_model_valid() {
 	#elif BOARD_MODEL == BOARD_HELTEC32_V3
 	if (model == MODEL_C5 || model == MODEL_CA) {
     #elif BOARD_MODEL == BOARD_RAK4631
-    if (model == MODEL_11 || model == MODEL_12 || model == MODEL_13 || model == MODEL_14 || model == MODEL_21) {
+    if (model == MODEL_11 || model == MODEL_12 || model == MODEL_13 || model == MODEL_14) {
+    #elif BOARD_MODEL == BOARD_OPENCOM_XL
+    if (model == MODEL_21) {
 	#elif BOARD_MODEL == BOARD_HUZZAH32
 	if (model == MODEL_FF) {
 	#elif BOARD_MODEL == BOARD_HMBRW