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The Radiomaster ER6G ELRS Receiver is a high-performance six-channel receiver built on the open-source ExpressLRS architecture. This model is designed specifically for gliders and lightweight fixed-wing platforms where minimum weight, high sensitivity, and long-range signal stability are critical. The integration of dual antennas provides spatial diversity, minimizing the risk of signal shadowing and ensuring a reliable link regardless of the aircraft's orientation in space.
🫡 We Are a Team of Veterans
We clearly understand that the reliability of the control link is the foundation of aircraft preservation and successful mission execution. We value the Radiomaster ER6G ELRS Receiver for its hardware reliability and its capability to operate under heavy RF congestion. Thanks to the high refresh rates of ExpressLRS and optimized telemetry performance, this module allows the operator to receive instantaneous feedback from the aircraft at the edge of radio visibility. For fixed-wing unmanned systems operating in challenging electronic warfare environments, the dual-antenna design of this receiver becomes a decisive safety factor.
⚙️ Technical Specifications
| Parameter | Value |
| Model | Radiomaster ER6G ELRS |
| Firmware | ExpressLRS (ELRS) |
| Operating Frequency | 2.4 GHz |
| Number of Channels | 6 PWM channels |
| Antenna Configuration | Dual antenna (diversity, CRSF) |
| Telemetry | Supported (power up to 100 mW) |
| Voltage Input Range | 4.5–8.4 V DC |
| Battery Voltage Sensor | Built-in telemetry sensor (up to 35 V) |
| Weight | 8.5 g (including antennas) |
| Dimensions | 34.6×17.2×13.4 mm |
| Connector Type | Standard servo connectors JST-GH / PWM |
Commentary / Comments
The key advantage of the Radiomaster ER6G ELRS Receiver lies in the integration of six full-fledged PWM outputs directly into a compact housing weighing only 8.5 grams. This allows servo drives for elevators, rudders, ailerons, and flaps to be connected directly without the need for bulky expansion boards or signal converters. Supporting the ExpressLRS protocol at 2.4 GHz ensures minimal command latency and ultra-high interference resistance.
The built-in battery voltage telemetry sensor can withstand loads up to 35 V, simplifying real-time power monitoring without the installation of external sensors. The optimized power circuit with a wide range of 4.5–8.4 V allows the receiver to be powered directly from the main onboard network or a separate BEC module without risking damage to the component base during voltage spikes.
🎯 Target Audience / Suitable For
Military operators of unmanned aerial vehicles and lightweight reconnaissance wings receive a dependable tool for long-range radio communication in complex signal environments. The dual-antenna system minimizes the risk of sudden signal loss during aggressive maneuvering or course changes when the aircraft fuselage might shield the radio signal. Six physical PWM channels simplify the direct connection of wing actuators without using additional flight controllers, reducing overall weight and increasing system redundancy. Built-in voltage telemetry up to 35 V allows continuous monitoring of the remaining battery capacity directly from the transmitter at long distances.
Technical specialists and developers of custom fixed-wing UAVs who build lightweight platforms for monitoring and aerial photography can utilize this receiver to achieve maximum control range while maintaining minimal onboard equipment dimensions. Compatibility with the ExpressLRS ecosystem simplifies the process of flashing, configuring, and integrating the receiver into existing unit radio networks.
RC sports hobbyists and professional glider pilots who require precise and rapid response from control surfaces at extreme ranges gain a stable link due to low signal latency. The compact form factor allows the receiver to be easily placed within the narrow fuselages of modern composite gliders without disrupting the overall balance and aerodynamics of the model.