Dual RX Diversity Receiver
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Push your long-range boundaries with confidence using the Happymodel ES900 Dual RX Diversity Receiver. This is not just a standard receiver with two antennas; it is a True Diversity system powered by dual SX1276 RF chips and an ESP32 PICO D4. By utilizing two independent receiving chains, the ES900 virtually eliminates antenna blind spots and polarization losses, making it the ultimate choice for long-range FPV drones and RC airplanes.
True Diversity Reliability
Standard diversity switches between antennas. True Diversity listens to both simultaneously. Whether you are banking hard in a carbon fiber frame or flying at extreme distances, the ES900 ensures that the strongest signal is always used. This setup significantly reduces the risk of failsafes in challenging RF environments.
TCXO for Rock-Solid Stability
Temperature changes can cause frequency drift, leading to packet loss. The ES900 features a built-in TCXO (Temperature Compensated Crystal Oscillator). This ensures precise frequency matching between your transmitter and receiver, whether you are flying in the cold or the scorching heat.
Ultralight & Versatile
Despite its dual-core performance, the receiver weighs a mere 1.5g (excluding antennas). It supports both 915 MHz (FCC) and 868 MHz (EU) bands, making it a versatile solution for pilots worldwide using the open-source ExpressLRS (ELRS) protocol.
Key Features:
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True Diversity: Dual SX1276 chips for redundant signal reception.
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Rock Solid: Built-in TCXO eliminates frequency drift.
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Long Range: The 900MHz band offers superior penetration and range.
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Telemetry: Capable of 17dBm telemetry output power.
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Compact: Weighs only 1.5g with a 21.5mm x 16mm footprint.
Specifications:
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Brand: Happymodel
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Model: ES900 Dual RX
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MCU: ESP32 PICO D4
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RF Chips: Dual SX1276 (True Diversity)
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Frequency: 915MHz / 868MHz (Selectable via Firmware)
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Protocol: CRSF (Crossfire)
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Telemetry Power: 17dBm
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Antenna Connector: 2x IPEX MHF 1 / U.FL
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Input Voltage: +5V DC
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Dimensions: 21.5mm x 16mm
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Weight: 1.5g (excluding antennas)
What’s in the Box?
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1x Happymodel ES900 Dual RX Diversity Receiver
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2x 915MHz/868MHz T-Antennas (IPEX1)
