How to assemble an ARF RC aircraft step by step
A general ARF assembly workflow for many aircraft: dry fit, hinges, servo installation, power setup, CG, control checks and first-flight preparation.
ERS-GPS - Precision GPS Sensor for compatible ExpressLRS PWM receivers is an RC product from RadioMaster. This page focuses on what an end customer needs: fit, use cases, specifications and imagery, without prices or outbound supplier detours.
ERS-GPS - Precision GPS Sensor for compatible ExpressLRS PWM receivers fits customers looking for RadioMaster items in RadioMaster Accessories, ERS Series Sensors, with RC-MODEL support for choosing the right configuration.
ERS-GPS - Precision GPS Sensor for compatible ExpressLRS PWM receivers is a RadioMaster product intended for RC aircraft, FPV, surface and telemetry receiver installations. This page presents the practical buying information in one place: compatibility, SKU, variants, radio protocol, use case and technical details.
The content is written for customer decision-making through RC-MODEL, without supplier prices or outbound purchase routes.
These guides explain the setup, safety checks and accessory choices that usually matter for this product type.
A general ARF assembly workflow for many aircraft: dry fit, hinges, servo installation, power setup, CG, control checks and first-flight preparation.
How to select servos for trainers, sport aircraft, large models, cars and boats without under-sizing a control surface.
One of the most important setup guides: find the CG, install the flight battery, balance the aircraft and avoid nose-heavy or tail-heavy surprises.
A repeatable inspection routine for control direction, radio range, failsafe, battery, fasteners, propeller, CG and field readiness.
Ground checks, takeoff planning, trim passes, battery timing and first landing strategy for a new or repaired RC aircraft.
| Technical Specifications | |
| Manufacturer | RadioMaster |
| Brand | RadioMaster |
| Product Code | HP0157.ERS-GPS |
| All Variant SKUs | HP0157.ERS-GPS |
| Product Type | ERS Series Sensor |
| RadioMaster Collections | Accessories, ERS Series Sensor |
| Product Family | RadioMaster receiver range |
| Application | RC aircraft, FPV, surface and telemetry receiver installations |
| Item | ERS-GPS |
| Weight | 13.35g |
| Protocol / RF | ExpressLRS / ELRS, 2.4GHz |
| Size | 32.8 x 25.5 x 12.8mm |
| Future-Ready Pass-Through | The ERS GPS comes equipped with an in-and-out pass-through port, allowing you to daisy-chain additional sensors in the future-no need to swap out hardware as your needs evolve. |
| Seamless ExpressLRS Integration | Designed to work effortlessly with compatible ER series ExpressLRS receivers. |
| Current | 35mA (5V) |
| Power Supply | DC 3.0 - 12.0V |
| GPS Data mode and GPS Ground speed mode | Log your GPS position or track your speed in real-time and quickly access peak performance stats. |
| Telemetry Protocol | CRSF |
Tags: RadioMaster, HP0157.ERS-GPS, RadioMaster Accessories, ERS Series Sensors, RC radio
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