Looking for an FPV link that actually holds up? The Bayckrc ELRS 2.4GHz Nano Receiver brings ultra-low latency, high refresh rates, and open-source reliability to your racing quad. Built on ExpressLRS, this nano RX features an ESP8285 MCU and SX1281 RF chip, delivering bulletproof long-range performance without the manufacturer lock-in.
Highlights
True Nano Form Factor: Weighing just 0.6g and measuring 18x11x3mm, it disappears into your stack.
Blistering Refresh Rates: Supports up to 500Hz for instantaneous, glass-smooth flight control.
WiFi Firmware Updates: No more messy USB drivers. Update your firmware wirelessly via WiFi in seconds.
Open Source ELRS: Fully cross-compatible with any ELRS 2.4GHz TX modulemix and match brands without a hitch.
Specs
Product: BAYCKRC RR2 ELRS 2.4G-NANO
RF Chip: SX1281
MCU: ESP8285
Operating Voltage: 5V
Antenna Connector: IPEX1
Protocol: CRSF (Betaflight)
Max Refresh Rate: 500Hz
Telemetry Power: 20dBm
Dimensions: 11mm x 18mm x 3mm
Weight: 0.6g (receiver only)
FAQ
How do I update the firmware on this receiver?
The receiver automatically enters WiFi mode (LED flashing) after 60 seconds if no TX connection is found. Connect to its WiFi network via your phone or PC to upload new ExpressLRS firmware.
Is this receiver compatible with other brands?
Yes. Because it uses open-source ExpressLRS, it works with any ELRS 2.4GHz TX module from any manufacturer.
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