Specifications

ManualsBrandsShenzhen RAKwireless Technology ManualsElectronicsLoRa Module

1

2

3

4

5

6

7

8

9

5

Figure 2 | Pinout

The table below shows the pin definition of the RAK4200(H) LoRa Module.

Pin

Name

I/O

Description

1

UART2_RX

I

Main UART (STM32L071K8 PA10)

2

UART2_TX

O

Main UART (STM32L071K8 PA9)

3

UART2_DE

I/O

GPIO (STM32L071K8 PA12)

4

UART1_TX

I/O

General GPIO or UART(Reserved)

(STM32L051K8 PA2)

5

UART1_RX

I/O

General GPIO or UART(Reserved)

(STM32L051K8 PA3)

6

UART1_DE

I/O

General GPIO or UART(Reserved)

(STM32L051K8 PA1)

7

SWDIO

I/O

Programming (STM32L051K8 PA13)

8

SWCLK

I/O

Programming (STM32L051K8 PA14)

9

I2C_SCL

I/O

I2C interface (STM32L051K8 PB6)

10

I2C_SDA

I/O

I2C interface (STM32L051K8 PB7)

11

GND

-

Ground

12

RF

I/O

RF port (reserved), default RF out by IPEX

13

GND

-

Ground

14

GND

-

Ground

15

SPI_CLK

I/O

Reserved PA5

16

SPI_MISO

I/O

Reserved PA6

17

SPI_MOSI

I/O

Reserved PA7

18

MCU_NRST

I/O

MCU reset (STM32L051K8 NRST)

19

GND

-

Ground

20

VDD

-

DC3V3

Table 1 | Pin Definitions