Happymodel Gemini 915/2.4G RX receiver is equipped with a dual LR1121 chip and works with the Gemini Xrossband ExpressLRS system, which allows it to operate at 2.4GHz and Sub-G 900MHz in three modes: separately at each frequency or in dual-band mode to meet different needs. Operating on two frequencies simultaneously significantly increases signal stability in all conditions and protects against interference. The built-in ESP32D4 microcontroller guarantees high performance. The pre-installed ExpressLRS v3.5.1 firmware supports a maximum receive refresh rate of DK500Hz/K1000Hz, which makes feedback faster and more efficient. Dual-band T-shaped antennas extend the coverage area and provide a reliable signal. The standard IPEX-1 antenna connector allows for compatibility with various systems.
Features
Operates in the 2.4GHz/Sub-G 900MHz band in single or dual frequency mode
Equipped with a high performance ESP32D4 microcontroller
Utilizes dual LR1121 chip to maintain an efficient signal in a variety of environments
Included dual-band T-shaped antennas provide stable communication with wide coverage
Pre-installed ExpressLRS v3.5.1 firmware with LR1121 True Diversity target firmware version
Specifications
Processor: ESP32D4
Radio frequency chip: dual LR1121
Frequency range: 2.4GHz/Sub-G 900MHz
Telemetry power: 100MW
Maximum reception update frequency: DK500Hz/K1000Hz
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