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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.
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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.
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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
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Advanced ExpressLRS 915M/2.4G dual-frequency system
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Based on Semtech's third-generation LR1121 RF chip
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Compact at 18x23.6x5.7mm and weighing just 1.7g
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Supports 915M Gemini, 2.4G Gemini, 915M+2.4G dual-RF
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Features a temperature-compensated crystal oscillator (TCXO) for stable performance in varying temperatures
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Telemetry power up to 100mW
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Refresh rate up to 1000Hz
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Supports WiFi firmware updates
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Includes an SH1.0 connector for easy installation
Specifications
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Model: GEPRC ELRS 915M/2.4G Gemini Xrossband Receiver
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Dimension: 18x23.6x5.7mm
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Weight: 1.7g (only receiver)
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Chips: ESP32-PICO-D4, LR1121x2
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Crystal Oscillator: TCXO
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Frequency Bands: 915MHz Gemini,2.4GHz Gemini,915M+2.4G Dual-Band
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Refresh Rate: 25Hz-1000Hz
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Operating Voltage: 5V
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Antenna Connector: ipex1
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TLM Power: 100mW
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Firmware: GEPRC 900/2400 Gemini Xrossband RX
Product list
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1 x ELRS 915M/2.4G Gemini Xrossband Receiver
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2 x 915M/2.4G Dual-band T-Antennas
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1 x Heat shrink tube
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1 x 4-pin silicone connect cable
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1 x User manual









