diff --git a/variants/GaulixLCrp2040V1b/pins_arduino.h b/variants/GaulixLCrp2040V1b/pins_arduino.h
new file mode 100644
index 000000000..02849e335
--- /dev/null
+++ b/variants/GaulixLCrp2040V1b/pins_arduino.h
@@ -0,0 +1,68 @@
+#pragma once
+
+// Pin definitions taken from:
+//    https://datasheets.raspberrypi.org/pico/pico-datasheet.pdf
+
+static const uint8_t WB_IO1 = 22; // SLOT_A SLOT_B
+static const uint8_t WB_IO2 = 28; // SLOT_A SLOT_B
+static const uint8_t WB_IO3 = 10; // SLOT_C
+static const uint8_t WB_IO4 = 11; // SLOT_C
+static const uint8_t WB_IO5 = 7;  // SLOT_D
+static const uint8_t WB_IO6 = 6;  // SLOT_D
+static const uint8_t WB_A0 = 26;  // IO_SLOT
+static const uint8_t WB_A1 = 27;  // IO_SLOT
+
+#define PIN_A0 (26u)
+#define PIN_A1 (27u)
+#define PIN_A2 (28u)
+#define PIN_A3 (29u)
+
+static const uint8_t A0 = PIN_A0;
+static const uint8_t A1 = PIN_A1;
+static const uint8_t A2 = PIN_A2;
+static const uint8_t A3 = PIN_A3;
+
+// LEDs
+#define PIN_LED (25u)
+#define PIN_LED1 PIN_LED
+#define PIN_LED2 (19u)
+#define LED_BUILTIN PIN_LED
+
+#define ADC_RESOLUTION 12
+
+// Serial
+#define PIN_SERIAL1_TX (0ul)
+#define PIN_SERIAL1_RX (1ul)
+
+#define PIN_SERIAL2_TX (8ul)
+#define PIN_SERIAL2_RX (9ul)
+
+// SPI
+#define PIN_SPI1_MISO (24u)
+#define PIN_SPI1_MOSI (15u)
+#define PIN_SPI1_SCK (14u)
+#define PIN_SPI1_SS (13u)
+
+#define PIN_SPI0_MISO (4u)
+#define PIN_SPI0_MOSI (3u)
+#define PIN_SPI0_SCK (2u)
+#define PIN_SPI0_SS (5u)
+
+// Wire
+#define PIN_WIRE0_SDA (20u)
+#define PIN_WIRE0_SCL (21u)
+
+#define PIN_WIRE1_SDA (10u)
+#define PIN_WIRE1_SCL (11u)
+
+#define SERIAL_HOWMANY (3u)
+#define SPI_HOWMANY (2u)
+#define WIRE_HOWMANY (2u)
+
+static const uint8_t SS = PIN_SPI0_SS;
+static const uint8_t MOSI = PIN_SPI0_MOSI;
+static const uint8_t MISO = PIN_SPI0_MISO;
+static const uint8_t SCK = PIN_SPI0_SCK;
+
+static const uint8_t SDA = PIN_WIRE0_SDA;
+static const uint8_t SCL = PIN_WIRE0_SCL;
diff --git a/variants/GaulixLCrp2040V1b/platformio.ini b/variants/GaulixLCrp2040V1b/platformio.ini
new file mode 100644
index 000000000..ff62c9c13
--- /dev/null
+++ b/variants/GaulixLCrp2040V1b/platformio.ini
@@ -0,0 +1,22 @@
+[env:GaulixLCrp2040V1b]
+extends = rp2040_base
+board = rakwireless_rak11300
+upload_protocol = picotool
+
+# add our variants files to the include and src paths
+build_flags = ${rp2040_base.build_flags} 
+  -DRAK11310
+  -Ivariants/rak11310
+  -DDEBUG_RP2040_PORT=Serial
+  -DRV3028_RTC=0x52
+  -L "${platformio.libdeps_dir}/${this.__env__}/bsec2/src/cortex-m0plus"
+  #autorise le hardware remote
+  -DMESHTASTIC_EXCLUDE_REMOTEHARDWARE=0
+build_src_filter = ${rp2040_base.build_src_filter} +<../variants/rak11310> +<mesh/eth/> +<mesh/api/> +<mqtt/>
+lib_deps =
+  ${rp2040_base.lib_deps}
+  ${networking_base.lib_deps}
+  melopero/Melopero RV3028@^1.1.0
+  https://github.com/RAKWireless/RAK13800-W5100S.git#1.0.2
+debug_build_flags = ${rp2040_base.build_flags}, -g
+debug_tool = cmsis-dap ; for e.g. Picotool
diff --git a/variants/GaulixLCrp2040V1b/variant.h b/variants/GaulixLCrp2040V1b/variant.h
new file mode 100644
index 000000000..5dbe800dc
--- /dev/null
+++ b/variants/GaulixLCrp2040V1b/variant.h
@@ -0,0 +1,68 @@
+#define ARDUINO_ARCH_AVR
+
+// Define I2C pins to ensure correct usage of both ports
+#define I2C_SDA 20
+#define I2C_SCL 21
+#define I2C_SDA1 10
+#define I2C_SCL1 11
+
+#define LED_CONN PIN_LED2
+#define LED_PIN LED_BUILTIN
+#define ledOff(pin) pinMode(pin, INPUT)
+
+#define BUTTON_PIN 12
+#define BUTTON_NEED_PULLUP
+#define EXT_NOTIFY_OUT 22
+
+#define BATTERY_PIN PIN_A0 // 3 //29     0 //26
+// ratio of voltage divider = 3.0 (R17=200k, R18=100k)
+#define ADC_MULTIPLIER 3.05 // 3.065 //3.33 //1.84
+#define BATTERY_SENSE_RESOLUTION_BITS ADC_RESOLUTION
+
+#define DETECTION_SENSOR_EN 28
+
+#define USE_SX1262
+
+#undef LORA_SCK
+#undef LORA_MISO
+#undef LORA_MOSI
+#undef LORA_CS
+
+// RAK BSP somehow uses SPI1 instead of SPI0
+#define HW_SPI1_DEVICE
+#define LORA_SCK (14u)
+#define LORA_MOSI (15u)
+#define LORA_MISO (24u)
+#define LORA_CS (13u)
+
+#define LORA_DIO0 RADIOLIB_NC // No GPIO connection
+#define LORA_RESET 23         // GPIO23
+#define LORA_BUSY 18          // GPIO18
+#define LORA_DIO1 16          // GPIO16
+#define LORA_DIO2 RADIOLIB_NC // Antenna switching, no GPIO connection
+#define LORA_DIO3 RADIOLIB_NC // No GPIO connection
+#define LORA_DIO4 17          // GPIO17
+
+// On rp2040-lora board the antenna switch is wired and works with complementary-pin control logic.
+// See PE4259 datasheet page 4
+
+#ifdef USE_SX1262
+#define SX126X_CS LORA_CS
+#define SX126X_DIO1 LORA_DIO1
+#define SX126X_BUSY LORA_BUSY
+#define SX126X_RESET LORA_RESET
+#define SX126X_DIO2_AS_RF_SWITCH // Antenna switch CTRL
+#define SX126X_RXEN LORA_DIO4    // Antenna switch !CTRL via GPIO17
+// #define SX126X_TXEN 19
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8
+#endif
+
+#define HAS_ETHERNET 1
+#define PIN_ETHERNET_RESET 7 // IO3
+#define PIN_ETHERNET_SS 5
+#define ETH_SPI_PORT SPI
+
+#define PIN_ETH_POWER_EN 6
+
+#define MAX_NUM_NODES 500
+#define MAX_NUM_NODES_FS 500