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Figure 71: Set the module in the sender (left) and the receiver (right) mode
7. Now, to send a message, the string “123456890” from Unit1 to Unit2. Type the command on Unit 1:
The message will be automatically received by Unit 2.
Figure 72: Sending a message from RAK unit 1(left) to RAK unit 2 (right)
Bluetooth Interface
Starting with the firmware version V3.0.0.6, there are three BLE modes in the RAK4600 module: Peripheral
mode, Central mode, and Beacon scan mode.
1. Peripheral mode: In this mode, you can scan RAK4600 BLE and connect with it using your normal mobile
devices.
2. Central mode: The RAK4600 BLE will not broadcast so that your normal mobile devices will not be able to
scan it, but it is useful for IoT use case. For example, you can connect some BLE sensor nodes to the
at+send=lorap2p:1234567890