Features
- Based on the third-generation low-power LoRa transceiver LR1121
- Supports Sub-GHz (150MHz ~ 960MHz), S-band (1.9GHz ~ 2.1GHz), and 2.4GHz ISM frequency bands
- Connects to the cloud via LoRa or LoRaWAN protocol through a gateway, enabling low-power wide-area networking (LPWAN)
- Supports LoRa, (G)FSK, and LR-FHSS modulation schemes, compatible with SX126X/SX127X series for easy product upgrades
- SPI communication interface, supports mainstream MCU platforms for seamless integration and migration
- Integrates AES-128 encryption engine to enhance data security
- Onboard TCXO crystal oscillator ensures frequency stability under extreme temperature conditions
- 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 / STM32 / Raspberry Pi Pico)
Product Comparison
| Model | Core1121-XF | Core1262-XF |
| Frequency Support | Sub-GHz (150MHz ~ 960 MHz), S-band (1.9GHz ~ 2.1GHz), 2.4GHz | Sub-GHz (150MHz ~ 960MHz) |
| Modulation | LoRa / (G)FSK / LR-FHSS | LoRa / (G)FSK |
| Sigfox Protocol Support | √ | – |
| AES-128 Encryption Engine | √ | √ |
| Secure Key Storage | √ (NwkKey, AppKey, etc.) | – |
| Device Identifier Management | √ (DevEUI / JoinEUI handling) | – |
| LoRaWAN Security Compliance | √ (Complete process: storage, authentication) | – (Basic encryption only) |
| Application Scenarios | Global deployment, multi-band applications, asset tracking, high-security scenarios | Classic Sub-GHz LoRa communication |
Product Specifications
| Version | Core1121-HF | Core1121-LF |
| RF Specifications | ||
| RF chip | LR1121 | |
| Frequency range | HF: 850 ~ 930MHz | LF: 410 ~ 510MHz |
| 1900MHz ~ 2100MHz, 2400MHz ~ 2500MHz | ||
| Modulation | LoRa / (G)FSK / LR-FHSS | |
| Data rate | LoRa: 0.091Kbps ~ 62.5Kbps (G)FSK: 0.6Kbps ~ 300Kbps |
|
| Emit power | -9dBm ~ 22dBm@Sub-GHz band -18dBm ~ 13dBm@ISM band |
|
| Receiver sensitivity | -127dBm@Sub-GHz band, SF=7, CR4_5, BWL=125KHz -111dBm@ISM band, SF=7, CR4_5, BWL=800KHz |
|
| Typical Range | Sub-GHz band: 5KM ISM band: 2KM |
|
| Spreadind factor | SF5 ~ SF12 | |
| Electrical Characteristics | ||
| Operating voltage | 3.3V (maximum 3.8V) | |
| Logic Voltage | 3.3V (A level converter is required for other logic levels) | |
| Module power consumption | Sub-GHz band: emitting current: 115mA@22dBm receiving current: 9.2mA@125KHz |
|
| ISM band: emitting current: 25mA@13dBm receiving current: 8.1mA@125KHz |
||
| Hardware Specifications | ||
| Communication bus | SPI | |
| Crystal Oscillator | 32MHz TCXO | |
| 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 | |
LoRa Module Selection Guide
| Product Model | RF Specifications | Electrical Characteristics | ||||
| Frequency band | Modulation | Emit power | Spreadind factor | Operating voltage | power consumption | |
 Core1121-LF |
410 ~ 510MHz | LoRa, GFSK, LR-FHSS | 22dBm | SF5 ~ SF12 | 3.3V | emitting current: 115mA@22dBm receiving current: 9.2mA@125KHz |
| 2400 ~ 2500MHz | LoRa, GFSK, LR-FHSS | 13dBm | SF5 ~ SF12 | 3.3V | emitting current: 25mA@13dBm receiving current: 8.1mA@125KHz |
|
 Core1121-HF |
850 ~ 930MHz | LoRa, GFSK, LR-FHSS | 22dBm | SF5 ~ SF12 | 3.3V | emitting current: 115mA@22dBm receiving current: 9.2mA@125KHz |
| 2400 ~ 2500MHz | LoRa, GFSK, LR-FHSS | 13dBm | SF5 ~ SF12 | 3.3V | emitting current: 25mA@13dBm receiving current: 8.1mA@125KHz |
|
 Core1262-LF |
410 ~ 510MHz | LoRa / (G)FSK | 22dBm | SF5 ~ SF12 | 3.3V | emitting current: 107mA@22dBm receiving current: 5.3mA@125KHz |
 Core1262-HF |
850 ~ 930MHz | LoRa / (G)FSK | 22dBm | SF5 ~ SF12 | 3.3V | emitting current: 45mA@14dBm receiving current: 5.3mA@125KHz |
PACKAGE CONTENT
Weight: 0.015 kg
Core1121-HF
- Core1121-HF x1
- IPEX4 to SMA cable x1
- 2DB SMA antenna x1
- 2.4G antenna x1
Core1121-HF-M
- Core1121-HF with pre-soldered header x1
- IPEX4 to SMA cable x1
- 2DB SMA antenna x1
- 2.4G antenna x1
Core1121-LF
- Core1121-LF x1
- IPEX4 to SMA cable x1
- 2DB SMA antenna x1
- 2.4G antenna x1
Core1121-LF-M
- Core1121-LF with pre-soldered header x1
- IPEX4 to SMA cable x1
- 2DB SMA antenna x1
- 2.4G antenna x1
