ES900 Dual RX True Diversity 915MHz/868MHz Long Range Receiver - 1.5g Ultra-Lightweight, CRSF Protocol, TCXO Stability for FPV Drones & RC Models

Product id：ES900 DUAL RX ELRS Diversity Receiver
Color：black
The fabric：alloy
Size：

The ES900 DUAL RX ELRS True Diversity Receiver delivers unbreakable long-range control for FPV drones. Featuring dual SX1276 chips and dual antennas for maximum signal reliability, a powerful 17dBm telemetry link, and ultra-lightweight 1.5g design with built-in TCXO stability. Fully compatible with the ExpressLRS ecosystem and CRSF protocol for future-proof performance.

1. True Diversity Reception for Unbreakable Signal

This is not a simple receiver. It features True Diversity with dual SX1276 LoRa chips, operating simultaneously on two independent antennas. The system intelligently selects the strongest signal in real-time, virtually eliminating "signal fades" or "brownouts" caused by antenna nulls or interference. This means rock-solid control link integrity even in complex RF environments like flying behind trees, around metal structures, or in crowded race events.

2. Extreme Long-Range & High Telemetry Power

Harnessing the robust 915MHz/868MHz LoRa band, the ES900 is engineered for exceptional range. Coupled with a powerful 17dBm telemetry downlink, it ensures not only that your control commands reach far but also that vital telemetry data (like battery voltage and signal strength) is reliably sent back to your transmitter. This gives you the confidence to explore farther and fly FPV with critical real-time feedback.

3. Ultra-Lightweight & Compact for Performance Builds

Weighing a mere 1.5 grams (without antennas) and measuring only 21.5mm x 16mm, this receiver is a perfect match for modern performance and racing drones where every gram matters. Its minuscule size allows for flexible installation even in the tightest builds, ensuring it won't compromise your aircraft's agility, flight time, or balance.

4. Premium Stability with Integrated TCXO

Professional pilots demand stability. The built-in TCXO (Temperature Compensated Crystal Oscillator) is a key feature that maintains precise frequency control regardless of temperature changes during flight. This prevents frequency drift, ensuring a stable and reliable connection from the first pack to the last, even as your electronics heat up.

5. ELRS Future-Proof & CRSF Protocol Ready

Built around the open-source ExpressLRS (ELRS) ecosystem, this receiver is designed for the future. The dedicated firmware target (HappyModel ES900 Dual RX) guarantees compatibility and access to continuous performance enhancements, low-latency updates, and new features. Its native CRSF (Crossfire) protocol support ensures seamless integration with popular ELRS transmitters and flight controllers, offering a streamlined setup and advanced telemetry capabilities.

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