LoRa1121F33-1G9 Module: An Efficient and Flexible Long-Distance Wireless Communication Solution

LoRa1121F33-1G9 module is built on SEMTECH's LR1121 chip, an ultra-low power, long-range LoRa transceiver supporting Sub-GHz and satellite-connected S-band communication. The LoRa1121F33-1G9 supports LoRa, (G)FSK modulation, Sigfox protocol, and LR-FHSS. It is compatible with the LoRaWAN communication protocol and can function as a LoRaWAN node. Additionally, it offers flexible configuration options to meet the requirements of various applications and proprietary protocols.

LoRa1121F33-1G9 High-Power Module Core Functions and Features
Multi-Band Support to Meet Diverse Needs

 Sub-GHz Bands ：433/470MHz  2W

 Sub-GHz Bands: 868/915MHz   1W  (Customizable : 150~960 MHz)

S band: 1900MHz～2000MHz  0.8W  (Customizable 2.4G High Power)

flexible frequency configuration enables stable and efficient wireless communication in a variety of scenarios.

Outstanding Reception Sensitivity
The LoRa1121F33-1G9 wireless module boasts exceptional reception sensitivity.
S-band sensitivity reaches as high as -132dBm @BW=125KHz, SF=12
Sub-GHz sensitivity reaches as high as -144dBm @BW=62.5KHz, SF=12
High sensitivity not only enhances signal coverage but also ensures more stable communication in complex environments.

Supports Multiple Protocols and Encryption Features
Supports LoRa, (G)FSK modulation, Sigfox protocol, and LR-FHSS technology.
Fully compatible with the LoRaWAN communication protocol, can be used as a LoRaWAN node, enabling seamless integration with IoT networks.
Built-in AES-128 encryption and decryption functions provide secure communication protection.

Ultra-Low Power Design
The sleep current is less than 15μA, and the receive current is below 9mA, significantly extending battery life, making it ideal for devices requiring long-term standalone operation.

Outstanding Transmission Performance
In open-area conditions, the Sub-GHz frequency band transmission distance exceeds 10 kilometers, providing reliable support for long-distance communication.

Compact Design for Easy Integration
With a stamp hole design, the module is compact, offering greater design flexibility for users and facilitating secondary development and integration applications.

LoRa1121F33-1G9 Wireless Module S-Band Satellite Communication Capability
In addition to the traditional Sub-GHz frequency band, the LoRa1121F33-1G9 module specifically supports wireless communication in the S-band satellite channel (1900MHz–2000MHz), which is one of the module's key advantages. The S-band features long-distance transmission and strong anti-interference capabilities, making it a crucial frequency band for achieving high-reliability long-distance communication, especially in satellite communication applications.

Core Advantages of the S-Band

Supports Satellite Communication
The LoRa1121F33-1G9 module enables stable communication between ground devices and low Earth orbit (LEO) satellites by supporting the S-band. This capability allows coverage in areas that traditional networks cannot reach.

High Sensitivity, Stable Connection
With an S-band sensitivity of -132dBm @BW=125KHz, SF=12, the module can maintain high-quality communication links even at low signal strength, ensuring reliable data transmission in satellite communications.

Supports High Power Configuration, Enhances Transmission Capability
The module supports output power up to 0.8W, with the option to customize a 2.4GHz high-power version, further enhancing signal coverage and communication quality.

Flexible Communication Modes and High Compatibility
The S-band supports multiple protocols and encryption technologies, improving communication flexibility and security.
It includes AES-128 encryption and decryption for secure data transmission.
Compatible with various protocols such as Sigfox, LoRaWAN, and LR-FHSS, the module can adapt to different technical requirements in satellite communication.

Balanced Performance with an Optimal Frequency Band
Compared to higher-frequency microwaves, the S-band offers better penetration capabilities, making it suitable for efficient communication between ground terminals and satellites.
It also supports higher data transfer rates, making it ideal for multi-user communication needs.

The LoRa1121F33-1G9 module, with its high sensitivity, multi-protocol support, ultra-low power consumption, and flexible frequency configuration, provides users with a powerful long-distance communication solution. Whether using the traditional Sub-GHz band, the emerging S-band, or the high-power 2.4GHz band, this module can meet a wide range of needs.