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 μA 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
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