meshtastic/docs/hardware/devices/rak/core-modules.mdx

---
id: core-module
title: RAK WisBlock Core Modules
sidebar_label: Core Modules
sidebar_position: 2
---

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## RAK4631 - nRF52

:::info
Please be aware of the difference between the RAK4631 (Arduino bootloader) and the RAK4631-R (RUI3 bootloader). Meshtastic requires the Arduino bootloader. If you have a RAK4631-R, please see the [instructions for converting the bootloader](/docs/getting-started/flashing-firmware/nrf52/convert-rak4631r).
:::

- RAK4631
  - **MCU**
    - nRF52840
      - Bluetooth BLE 5.0
      - Very low power consumption
  - **LoRa Transceiver:**
    - SX1262
  - **Frequency Options:**
    - 433 MHz
    - 470 MHz
    - 799 MHz
    - 865 MHz
    - 868 MHz
    - 915 MHz
    - 920 MHz
    - 923 MHz
  - **Connectors:**
    - U.FL/IPEX antenna connector for LoRa

### Resources

- Firmware file: `firmware-rak4631-X.X.X.xxxxxxx.uf2`
- Further information on the RAK4631 can be found on the [RAK Documentation Center](https://docs.rakwireless.com/Product-Categories/WisBlock/RAK4631/Overview/#product-description).
- US Distributor - Purchase link: [Rokland - US915 Mhz](https://store.rokland.com/products/rak-wireless-rak4631-nordic-nrf52840-ble-core-module-for-lorawan-with-lora-sx1262)
- Purchase Link: [RAK Wireless Store](https://store.rakwireless.com/products/rak4631-lpwan-node?variant=37505443856582)
- Purchase Link: [RAK Wireless Aliexpress](https://www.aliexpress.us/item/3256801470104151.html)

<img
  alt="RAK4631 Core Module"
  src="/img/hardware/rak4631.png"
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### GPIO

:::caution Note
There is no usable GPIO pin on any RAK base board except the 'big' baseboard RAK19001 without adding a RAK13002 IO module or a third party IO sensor breakout.
:::

The RAK4631 uses symbolic labels for its I/O Pins on the module and baseboard silk screens. The following table shows the mapping of the RAK4631 GPIO pins to the corresponding Arduino pins and the MCU Port numbers.

| RAK Pin | nRF52840 Pin | Arduino GPIO | Remark                                                                                                |
| ------- | ------------ | ------------ | ----------------------------------------------------------------------------------------------------- |
| IO1     | P0.17        | 17           | used to toggle power to peripheral modules using 3v3_S power rail, not available for user application |
| IO2     | P1.02        | 34           | used to power all peripheral modules, not available for user application                              |
| IO3     | P0.21        | 21           |
| IO4     | P0.04        | 4            |
| IO5     | P0.09        | 9            | The 'User Button' is mapped here.                                                                     |
| IO6     | P0.10        | 10           |
| IO7     | P0.28        | 28           |
| SW1     | P0.01        | 1            |
| A0      | P0.04/AIN2   | A2           |
| A1      | P0.31/AIN7   | A7           |
| SPI_CS  | P0.26        | 26           |

When configuring GPIO pins in your device settings, the Arduino GPIO numbers should be used.

```shell title="Example"
meshtastic --set external_notification.output 10
```

This will use IO6 on a RAK4631

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## RAK11200 - ESP32

:::info
Only supported on the RAK5005-O / RAK19007 and the RAK19001 base boards.
:::

The RAK11200 does not contain a LoRa transceiver, and thus needs to be added separately in the form of the [RAK13300 LPWAN module](https://store.rakwireless.com/products/rak13300-wisblock-lpwan). This occupies the IO Port of the base board.

- RAK11200
  - **MCU:**
    - ESP32-WROVER
      - Bluetooth 4.2
      - WiFi 802.11 b/g/n
      - High power consumption (relative to nRF52)

### Resources

- Firmware file: `firmware-rak11200-X.X.X.xxxxxxx.bin`
- Further information on the RAK11200 can be found on the [RAK Documentation Center](https://docs.rakwireless.com/Product-Categories/WisBlock/RAK11200/Overview/#product-description).
- Purchase Link: [RAK Wireless Store](https://store.rakwireless.com/products/wiscore-esp32-module-rak11200)
- Purchase Link: [RAK Wireless Aliexpress](https://www.aliexpress.us/item/3256802312474717.html)

<img
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  src="/img/hardware/rak11200.jpg"
  style={{ zoom: "50%" }}
/>

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## RAK11310 - RP2040

:::info

**Please note, this core module does NOT include BLE/WiFi.**

:::

  - **MCU:**
    - Raspberry Pi RP2040
      - Dual M0+ Core
      - 133MHz CPU Clock
  - **LoRa Transceiver:**
    - SX1262
  - **Frequency Options:**
    - 433 MHz
    - 470 MHz
    - 864 MHz
    - 865 MHz
    - 868 MHz
    - 915 MHz
    - 920 MHz
    - 923 MHz
  - **Connectors:**
    - U.FL/IPEX antenna connector for LoRa

### Resources

- Firmware file: `firmware-rak11310-X.X.X.xxxxxxx.uf2`
- Further information on the RAK11310 can be found on the [RAK Documentation Center](https://docs.rakwireless.com/Product-Categories/WisBlock/RAK11310/Overview/#product-description).
- Purchase Link: [RAK Wireless Store](https://store.rakwireless.com/products/rak11310-wisblock-lpwan-module)
- Purchase Link: [RAK Wireless Aliexpress](https://www.aliexpress.us/item/3256803225175784.html)

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