Core1121 LF/HF Dual-Band LoRa Module, Based on Low-Power LR1121 Transceiver
Core1121 Dual-Band LoRa Module
Suitable For Sub-GHz And 2.4GHz Frequency Bands
Version Options
 HF version, 850 ~ 930MHz frequency |
 LF version, 410 ~ 510MHz frequency |
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 | LR1121 |
| Frequency range | HF: 850 ~ 930MHz 1900MHz ~ 2100MHz 2400MHz ~ 2500MHz |
LF: 410 ~ 510MHz 1900MHz ~ 2100MHz 2400MHz ~ 2500MHz |
| Modulation | LoRa / (G)FSK / LR-FHSS | LoRa / (G)FSK / LR-FHSS |
| Data rate | LoRa: 0.091Kbps ~ 62.5Kbps (G)FSK: 0.6Kbps ~ 300Kbps |
LoRa: 0.091Kbps ~ 62.5Kbps (G)FSK: 0.6Kbps ~ 300Kbps |
| Emit power | -9dBm ~ 22dBm @ Sub-GHz -18dBm ~ 13dBm @ ISM band |
-9dBm ~ 22dBm @ Sub-GHz -18dBm ~ 13dBm @ ISM band |
| Receiver sensitivity | -127dBm @ Sub-GHz, SF=7, CR4_5, BWL=125KHz -111dBm @ ISM, SF=7, CR4_5, BWL=800KHz |
-127dBm @ Sub-GHz, SF=7, CR4_5, BWL=125KHz -111dBm @ ISM, SF=7, CR4_5, BWL=800KHz |
| Typical Range | Sub-GHz: 5KM ISM: 2KM |
Sub-GHz: 5KM ISM: 2KM |
| Spreading factor | SF5 ~ SF12 | SF5 ~ SF12 |
| Electrical Characteristics | ||
| Operating voltage | 3.3V (max 3.8V) | 3.3V (max 3.8V) |
| Logic voltage | 3.3V (level converter required) | 3.3V (level converter required) |
| Module power consumption | Sub-GHz: emitting: 115mA @ 22dBm receiving: 9.2mA @ 125KHz ISM: emitting: 25mA @ 13dBm receiving: 8.1mA @ 125KHz |
Sub-GHz: emitting: 115mA @ 22dBm receiving: 9.2mA @ 125KHz ISM: emitting: 25mA @ 13dBm receiving: 8.1mA @ 125KHz |
| Hardware Specifications | ||
| Communication bus | SPI | SPI |
| Crystal Oscillator | 32MHz TCXO | 32MHz TCXO |
| Antenna Interface | IPEX-4 + castellated hole | IPEX-4 + castellated hole |
| Antenna Protection | TVS protection | TVS protection |
| Operating temperature | -40℃ ~ 85℃ | -40℃ ~ 85℃ |
| Connector | castellated edge / solder holes, 2.54mm pitch | castellated edge / solder holes, 2.54mm pitch |
| Dimensions | 19.00 × 22.00mm | 19.00 × 22.00mm |
Application Example
Industrial environment, smart home, and data acquisition...
Strong Communication Compatibility
The LR1121 can communicate with SX126X, SX127X, and SX128X series, which is still compatible with previous LoRa products after upgrading, and provides higher power efficiency and longer transmission distance.
Dual Spread Spectrum Modulation for Complex Environments
The LR1121 supports both LoRa Chirp Spread Spectrum (CSS) and Frequency Hopping Spread Spectrum (FHSS) technologies, with modulation coverage across Sub-GHz, S-band, and 2.4GHz ISM frequency bands. Suitable for applications in industrial, agricultural, smart city, and satellite IoT scenarios.
ISM Band
This frequency band is globally license-free and is ideal for short-range, high-speed data transmission
Pinout Definition
High-Quality Components
For stable performance of communication module
 Original chip |
 Industrial grade crystal oscillator |
 Two connection methods for Antenna |
 Professional shield |
Temperature Compensated Crystal Oscillator
Ensures the long time working of the module without frequency shift in the high and low temperature environments of industry
Outline Dimensions
Resources & Services
WIKI: www.waveshare.com/wiki/Core1121-XF
Package Content
Weight: 0.013 kg
Core1121-HF
Core1121-HF 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
Original: $13.23
-70%$13.23
$3.97
Description
Core1121 Dual-Band LoRa Module
Suitable For Sub-GHz And 2.4GHz Frequency Bands
Version Options
|
HF version, 850 ~ 930MHz frequency |
LF version, 410 ~ 510MHz frequency |
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 | LR1121 |
| Frequency range | HF: 850 ~ 930MHz 1900MHz ~ 2100MHz 2400MHz ~ 2500MHz |
LF: 410 ~ 510MHz 1900MHz ~ 2100MHz 2400MHz ~ 2500MHz |
| Modulation | LoRa / (G)FSK / LR-FHSS | LoRa / (G)FSK / LR-FHSS |
| Data rate | LoRa: 0.091Kbps ~ 62.5Kbps (G)FSK: 0.6Kbps ~ 300Kbps |
LoRa: 0.091Kbps ~ 62.5Kbps (G)FSK: 0.6Kbps ~ 300Kbps |
| Emit power | -9dBm ~ 22dBm @ Sub-GHz -18dBm ~ 13dBm @ ISM band |
-9dBm ~ 22dBm @ Sub-GHz -18dBm ~ 13dBm @ ISM band |
| Receiver sensitivity | -127dBm @ Sub-GHz, SF=7, CR4_5, BWL=125KHz -111dBm @ ISM, SF=7, CR4_5, BWL=800KHz |
-127dBm @ Sub-GHz, SF=7, CR4_5, BWL=125KHz -111dBm @ ISM, SF=7, CR4_5, BWL=800KHz |
| Typical Range | Sub-GHz: 5KM ISM: 2KM |
Sub-GHz: 5KM ISM: 2KM |
| Spreading factor | SF5 ~ SF12 | SF5 ~ SF12 |
| Electrical Characteristics | ||
| Operating voltage | 3.3V (max 3.8V) | 3.3V (max 3.8V) |
| Logic voltage | 3.3V (level converter required) | 3.3V (level converter required) |
| Module power consumption | Sub-GHz: emitting: 115mA @ 22dBm receiving: 9.2mA @ 125KHz ISM: emitting: 25mA @ 13dBm receiving: 8.1mA @ 125KHz |
Sub-GHz: emitting: 115mA @ 22dBm receiving: 9.2mA @ 125KHz ISM: emitting: 25mA @ 13dBm receiving: 8.1mA @ 125KHz |
| Hardware Specifications | ||
| Communication bus | SPI | SPI |
| Crystal Oscillator | 32MHz TCXO | 32MHz TCXO |
| Antenna Interface | IPEX-4 + castellated hole | IPEX-4 + castellated hole |
| Antenna Protection | TVS protection | TVS protection |
| Operating temperature | -40℃ ~ 85℃ | -40℃ ~ 85℃ |
| Connector | castellated edge / solder holes, 2.54mm pitch | castellated edge / solder holes, 2.54mm pitch |
| Dimensions | 19.00 × 22.00mm | 19.00 × 22.00mm |
Application Example
Industrial environment, smart home, and data acquisition...
Strong Communication Compatibility
The LR1121 can communicate with SX126X, SX127X, and SX128X series, which is still compatible with previous LoRa products after upgrading, and provides higher power efficiency and longer transmission distance.
Dual Spread Spectrum Modulation for Complex Environments
The LR1121 supports both LoRa Chirp Spread Spectrum (CSS) and Frequency Hopping Spread Spectrum (FHSS) technologies, with modulation coverage across Sub-GHz, S-band, and 2.4GHz ISM frequency bands. Suitable for applications in industrial, agricultural, smart city, and satellite IoT scenarios.
ISM Band
This frequency band is globally license-free and is ideal for short-range, high-speed data transmission
Pinout Definition
High-Quality Components
For stable performance of communication module
|
Original chip |
Industrial grade crystal oscillator |
|
Two connection methods for Antenna |
Professional shield |
Temperature Compensated Crystal Oscillator
Ensures the long time working of the module without frequency shift in the high and low temperature environments of industry
Outline Dimensions
Resources & Services
WIKI: www.waveshare.com/wiki/Core1121-XF
Package Content
Weight: 0.013 kg
Core1121-HF
Core1121-HF 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
