FrSky Electronic Co., Ltd. is a leading designer and manufacturer of remote control systems, including 2.4GHz transmitters, receivers, and sensors for the RC hobby and drone industries.
FrSky Electronic Co., Ltd. is a premier research and development company based in Wuxi, China, specializing in advanced electronic products for remote control systems. Since its establishment in 2010, FrSky has set industry standards with its robust communication protocols, such as ACCST and ACCESS, which provide reliable long-range control and telemetry data for RC models.
The brand's extensive product portfolio includes high-performance radio transmitters like the Taranis and Tandem series, a wide variety of receivers, flight controllers, and telemetry sensors. FrSky is dedicated to innovation in the RC world, offering powerful operating systems like ETHOS and OpenTX support to give pilots precise control and customization over their aircraft usage.
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Firmware updates can be performed using the ETHOS Suite for compatible radios, or by downloading the latest firmware file from the FrSky website to your device's SD card and flashing it via the bootloader menu.
Navigate to the 'RF System' menu on your transmitter, select 'RANGE' mode to reduce power output, and walk away from your model to verify control linkage. Ensure the model is at least 60cm above the ground during the test.
Ensure both the transmitter module and receiver are on the same firmware version (e.g., both ACCESS or both ACCST D16). Put the transmitter into bind mode first, then power on the receiver while holding the bind button.
These are single-line protocols enabling both control signals and telemetry data to pass between the receiver and a flight controller via one wire, simplifying installation.