Part Number: Core2021-HF-M Core2021 HF Dual-Band LoRa Module, LR2021 Transceiver, Supports Sub-GHz, 2.4GH z and 1.5 ~ 2.5GH z Frequency Bands, Low-Power & Multi-Protocol IoT LoRaWAN Module, with Pre-soldered Headers Based on the fourth-generation LoRa multi-band transceiver LR2021. Supports Sub-GHz (410 ~ 510 MHz / 850 ~ 930 MHz), 2.4 GHz ISM band, and 1.5 ~ 2.5 GHz licensed bands Connects to the cloud via LoRa or LoRaWAN protocol through a gateway, enabling low-power wide-area networking (LPWAN) Compatible with multiple protocols including LoRa, FLRC, FSK, BLE, and ZigBee. SPI communication interface, supports mainstream MCU platforms for seamless integration and migration Suitable for IoT applications such as industrial telemetry, smart home, environmental monitoring, and remote data acquisition Contact for the online development resources and manual (examples for ESP32 / Pi / STM32 / Pi Pico)