Summary
The GEPRC ELRS 915M/2.4G Gemini Xrossband Receiver is a new dual-band system developed from the ExpressLRS open-source project. It is designed based on Semtech’s third-generation LR1121 RF chip, supporting 150 – 960MHz (sub-GHz) and 2.4GHz bands for simultaneous dual-band transmission.
The ELRS 915M/2.4G Gemini Xrossband Receiver features dual LR1121 chips, allowing easy switching between 915M Gemini, 2.4G Gemini, and dual-band 915M+2.4G modes (requires dual-band TX module support) when paired with 915M/2.4G antennas. It is fully compatible with existing 915M and 2.4G ELRS TX modules.
In dual-frequency mode, it provides enhanced anti-interference and stability. The TCXO temperature-compensated crystal oscillator ensures reliable performance across temperature variations, with telemetry power up to 100mW. The built-in WiFi antenna facilitates effortless firmware updates, and the SH1.0 connector simplifies installation.
Feature
- Advanced ExpressLRS 915M/2.4G dual-frequency system
- Based on Semtech’s third-generation LR1121 RF chip
- Compact at 18×23.6×5.7mm and weighing just 1.7g
- Supports 915M Gemini, 2.4G Gemini, 915M+2.4G dual-RF
- Features a temperature-compensated crystal oscillator (TCXO) for stable performance in varying temperatures
- Telemetry power up to 100mW
- Refresh rate up to 1000Hz
- Supports WiFi firmware updates
- Includes an SH1.0 connector for easy installation
Specifications
- Model: GEPRC ELRS 915M/2.4G Gemini Xrossband Receiver
- Dimension: 18×23.6×5.7mm
- Weight: 1.7g (only receiver)
- Chips: ESP32-PICO-D4, LR1121x2
- Crystal Oscillator: TCXO
- Frequency Bands: 915MHz Gemini,2.4GHz Gemini,915M+2.4G Dual-Band
- Refresh Rate: 25Hz-1000Hz
- Operating Voltage: 5V
- Antenna Connector: ipex1
- TLM Power: 100mW
- Firmware: GEPRC 900/2400 Gemini Xrossband RX
Includes
1 x ELRS 915M/2.4G Gemini Xrossband Receiver
2 x 915M/2.4G Dual-band T-Antennas
1 x Heat shrink tube
1 x 4-pin silicone connect cable
1 x User manual
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