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Waveshare ESP32-S3 LoRa Development Board Integrates LR1121 Third-generation RF Chip LF Frequency Version without USB Type-C adapter board + FFC cable
The Waveshare ESP32-S3 LoRa Development Board Integrates LR1121 Third-generation RF Chip LF Frequency Version without USB Type-C adapter board + FFC cable by WAVESHARE is a mid-range lora module designed for everyday users. It features Shipping Weight: 0.025 kg and Shipping Dimensions: 5 × 3 × 1 cm.
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The Waveshare ESP32-S3 LoRa Development Board Integrates LR1121 Third-generation RF Chip LF Frequency Version without USB Type-C adapter board + FFC cable by WAVESHARE is a mid-range lora module designed for everyday users. It delivers reliable performance at an accessible price.
Key Specifications
- Shipping Weight: 0.025 kg
- Shipping Dimensions: 5 × 3 × 1 cm
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The Waveshare ESP32-S3 LoRa Development Board (LF Version) is a compact, high-performance IoT solution combining the ESP32-S3 MCU with the advanced LR1121 third-generation LoRa RF chip. Designed for long-range, low-power wireless communication, it supports Sub-GHz, S-band, and 2.4GHz ISM frequencies. With dual-core processing up to 240MHz, onboard Flash and PSRAM, and rich peripheral interfaces, it enables seamless development for industrial and smart applications.
The board supports LoRa, (G)FSK, and LR-FHSS modulation with AES-128 encryption for secure communication. Its castellated design allows easy integration into custom PCBs. Ideal for LPWAN-based cloud connectivity via LoRa/LoRaWAN, this LF version ensures stable performance with TCXO and operates reliably in harsh environments.
Features:
- ESP32-S3 dual-core LX7 processor up to 240MHz
- Integrated LR1121 third-generation LoRa RF chip
- Supports LF band (410–510MHz) + multi-band capability
- Wi-Fi (2.4GHz) and Bluetooth 5 LE support
- 4MB Flash + 2MB PSRAM onboard
- Multiple interfaces: SPI, I2C, UART, I2S, ADC
- AES-128 encryption for secure data transmission
- TCXO for high-frequency stability
Useful Link: https://docs.waveshare.com/ESP32-S3-LR1121-XF
Specifications:
- RF Chip: LR1121
- Frequency Range LF: 410–510MHz, 2000–2500MHz
- Emitting Power: -9 to 22dBm (Sub-GHz), -18 to 13dBm (ISM)
- Emitting Current: ~87.7mA @22dBm, ~52.7mA @13dBm
- Modulation: LoRa / (G)FSK / LR-FHSS
- MCU: ESP32-S3 (Dual-core LX7, up to 240MHz)
- Flash / PSRAM: 4MB / 2MB
- Data Rate: 0.091–62.5Kbps ( LoRa), 0.6–300Kbps ( FSK)
- Range: 5KM (Sub-GHz), 2KM (ISM)
- Sensitivity: -127dBm (Sub-GHz), -111dBm (ISM)
- Spreading Factor: SF5–SF12
- Antenna: IPEX-1 connector
- Protection: TVS protection
- Interface: Castellated edge, 2.54mm pitch
- Operating Temperature: -40°C to 85°C
- Dimensions: 41 x 21 x 3.2 mm
- Weight: 18 g
Package Includes:
1 x Waveshare ESP32-S3 LoRa Development Board Integrates LR1121 Third-generation RF Chip LF Frequency Version without USB Type-C adapter board + FFC cable
1 x ESP32-S3-LR1121-LF
1 x IPEX 1 to SMA adapter cable
1 x 2DB SMA antenna
2 x 2.4G antenna
