The RAK11722 WisBlock Core module is a highly efficient processing and communication center designed for building compact, low-power IoT devices without the need to design custom PCBs. It is powered by the Ambiq AMA3B1KK-KBR-B0 (also known as Ambiq Apollo3) MCU paired with a Semtech SX1262 LoRa transceiver, providing robust dual RF communication capabilities.

Key Hardware Specifications

• Main MCU:Ambiq AMA3B1KK-KBR-B0 (Ambiq Apollo3).
• LoRa Transceiver:Semtech SX1262.
• Bluetooth:Integrated Bluetooth Low Energy (BLE) transceiver.
• Antenna Interfaces:Features an onboard BLE chip antenna and an MHF connector dedicated to the LoRa antenna.

Ecosystem & Compatibility

• Hardware Ecosystem:Fully compatible with all WisBlock Base Boards. It seamlessly integrates with the extensive collection of WisBlock Sensor and IO modules.
• Firmware:Comes pre-loaded with RUI3-based AT command firmware.
• Cross-Compatibility:Firmware is fully compatible with the RAK3172 and RAK4631-R modules.

Development & Applications

• Programming:The provided RUI3 API simplifies the integration of WisBlock sensor and IO modules into your custom IoT firmware.
• Target Applications:Thanks to its dual LoRa and BLE characteristics, it is perfectly suited for various IoT applications, including home automation, building automation, sensor networks, and general IoT network applications.

Key Features

• Based on AMA3B1KK-KBR-B0 and SX1262
• WisBlock Core module featuring the RAK11720
• Onboard chip antenna for BLE
• MHF antenna connector for LoRa
• Compatible with all WisBlock Base Boards
• ARM Cortex-M4F
• 1MB Flash and 348KB SRAM
• I/O ports: UART/I2C/SPI/ADC/GPIO
• LoRaWAN 1.0.3 specification compliant
• Supported bands: EU433, CN470, IN865, EU868, AU915, US915, KR920, RU864, and AS923- 1/2/3/4
• LoRaWAN activation via OTAA/ABP
• LoRa Point-to-Point (P2P) communication
• Easy-to-use AT command set via UART interface
• Long-range: greater than 15 km with optimized antenna
• Ultra-low-power consumption of 2.37 A in sleep mode
• Supply Voltage: 1.8 V ~ 3.6 V
• Temperature range: -40 C ~ 70 C
• Size: 20 x 30 mm

Included in the package:

• 1pc RAK11722 WisBlock Core Module
• 1pc LoRa antenna with MHF connector

Documentation

• RAK11722 WisBlock LPWAN Module Datasheet