The BetaFPV ELRS Lite Receiver with Flat Antenna V1.1 is an ultra-lightweight 2.4GHz ExpressLRS receiver designed for whoop drones and compact FPV builds. Its integrated flat ceramic antenna and slim 3mm profile make it ideal for installations where space and weight are limited.
The durable flat antenna design offers improved crash resistance, while the receiver provides fast response, reliable control, and stable signal performance with approximately 600m of range under suitable conditions.
Key Features
- 2.4GHz ExpressLRS receiver
- Integrated flat SMD ceramic antenna
- Ultra-thin 3mm design
- Lightweight 0.53g construction
- CRSF serial protocol
- 17mW telemetry power
- Approximately 600m range
- Ideal for whoop drones and micro FPV builds
- Factory firmware: ExpressLRS V3.3.0
Specifications
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Frequency: 2.4GHz ISM
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MCU: ESP8285
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Input voltage: 5V
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Dimensions: 11 × 10 × 3mm
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Weight: 0.53g
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Antenna: Integrated flat SMD ceramic antenna
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Telemetry power: 17mW
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Serial protocol: CRSF
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Antenna gain: 3.2dBi
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Radio efficiency: Over 80%