Core2021 HF Dual-Band LoRa Module, Based on LR2021 Transceiver
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| Brand | Waveshare |
| SKU: | 3113 |
| Condition: | New |
Waveshare 34522 - Core2021 HF Dual-Band LoRa Module, Based on LR2021 Transceiver, Supports Sub-GHz, 2.4GHz And 1.5~2.5GHz Frequency Bands, Low-power And Multi-protocol IoT LoRaWAN Module
Features
- 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
- Comes with online development resources and manual (examples for ESP32 / Raspberry Pi / Arduino / STM32 / Raspberry Pi Pico)
Specifications
| Version | Core2021-HF |
|---|---|
| RF Specifications | |
| RF chip | LR2021 |
| Frequency range | HF: 850 ~ 930MHz |
| 2.4 GHz ISM band, 1.5 ~ 2.5 GHz licensed bands | |
| Modulation | LoRa, FLRC, FSK, BLE, ZigBee |
| Data rate | LoRa: 0.091Kbps ~ 125Kbps FLRC: 0.13 Mbps ~ 2.6 Mbps FSK: 0.5 Kbps ~ 2 Mbps BLE: 125 kbps / 500 kbps / 1 Mbps / 2 Mbps |
| Emit power | -10dBm ~ 22dBm at Sub-GHz band -17dBm ~ 12dBm at ISM band |
| Receiver sensitivity | -141.5dBm at Sub-GHz band, SF=7, CR4_5, BWL=125KHz -130.5dBm at ISM band, SF=12, CR4_5, BWL=800KHz -111dBm at FLRC，260 Kbps -97dBm at BLE，2 Mbps |
| Typical Range | Sub-GHz band: 5KM ISM band: 2KM |
| Spreadind factor | SF5 ~ SF12 |
| Electrical Characteristics | |
| Operating voltage | 3.3V (maximum 3.7V) |
| Logic Voltage | 3.3V (A level converter is required for other logic levels) |
| Module power consumption | Sub-GHz band: emitting current: 105mA at 22dBm receiving current: 5.8mA at 125KHz |
| ISM band: emitting current: 23mA at 12dBm receiving current: 6.4mA at 125KHz |
|
| Hardware Specifications | |
| Communication bus | SPI |
| Crystal Oscillator | XTAL 32MHz |
| Antenna Interface | IPEX-4 connector and castellated hole (additional operation required) |
| Antenna Protection | TVS protection |
| Operating temperature | -40℃ ~ 85℃ |
| Connector | castellated edge / solder holes, pitch 2.54mm |
| Dimensions | 19.00×22.00mm |
WIKI: docs.waveshare.com/Core2021-XF
Package Content
- Core2021-HF x1
- IPEX4 to SMA cable x1
- 2dBi SMA antenna x1
- 2.4G antenna x1
Pinout definition
Outline Dimensions
