CoreWing SIRIUS ELRS mLRS 2.4GHz JR-Bay Transmitter Module
CoreWing SIRIUS ELRS mLRS 2.4GHz JR-Bay Transmitter Module
CoreWing
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Overview
The CoreWing SIRIUS ELRS mLRS 2.4GHz transmitter module is a JR-bay RF module for compatible radio transmitters. It supports ELRS and mLRS firmware modes, with ELRS-CRSF, ELRS-MAVLink, and mLRS operating options for RC control and telemetry-oriented setups. A TFT color display and five-way navigation control provide on-module configuration access.
Key Features
- Dual-firmware support for ELRS and mLRS, with WiFi flashing and mode switching through the CoreWing App.
- ELRS options include CRSF and MAVLink modes; mLRS supports bidirectional telemetry through MAVLink/MSP.
- F-1000Hz refresh rate and RF output up to 1W.
- Dual-core architecture: ESP32-S3 main processor and ESP32-C3 backpack processor.
- Backpack functions support BLE, WiFi, telemetry communications, and USB-C direct connection.
- External XT30 power input supports DC 7.4V-28V (2S-6S).
- JR-bay mounting format for compatible radio transmitters.
- Available selections include transmitter module only and transmitter module with receiver configurations for CRSF or MAVLink.
Specifications
| Model | CoreWing SIRIUS |
| RF frequency | 2.4GHz |
| Firmware modes | ELRS, mLRS |
| ELRS protocols | CRSF, MAVLink |
| Refresh rate | Up to F-1000Hz |
| RF output | Up to 1W |
| Main processor | ESP32-S3 |
| Backpack processor | ESP32-C3 |
| External power input | XT30, DC 7.4V-28V (2S-6S) |
| Display | TFT color display |
| Control | 5-way navigation button |
| Wireless connectivity | BLE, WiFi |
| Direct connection | USB-C |
| Radio transmitter interface | JR bay |
Configuration and Telemetry
The display menu provides access to RF power, refresh rate, bind and pairing, telemetry ratio, WiFi settings, Bluetooth settings, and firmware-mode controls. In mLRS mode, transmitter and receiver settings include RC mode, passthrough UART, telemetry power, failsafe, output baud rate, and output protocol.
The backpack WiFi function supports compatible ground-station software, including Mission Planner and QGroundControl. For setup assistance or product support, visit rcdrone.top.
Important Notes
A compatible radio transmitter is required and is not included. Receiver availability depends on the selected product option.
Details
ELRS MAVLink and mLRS modes combine RC control and telemetry data without a separate telemetry module.
Choose ELRS CRSF for high-refresh RC control, ELRS MAVLink for control and telemetry, or mLRS for long-range telemetry-oriented operation.
Firmware modes can be flashed and switched through the CoreWing App over WiFi.
A single UART connection can carry both RC and telemetry data with the compatible SkyGyu receiver.
mLRS prioritizes a stable long-range link, while MAVLink and CRSF modes serve different control and telemetry workflows.
The backpack supports Bluetooth, WiFi, and USB-C connections for telemetry communications and configuration.
Backpack WiFi supports compatible ground-station software, including Mission Planner and QGroundControl.
The on-module TFT display and five-way control provide access to RF, bind, connectivity, and firmware settings.
The JR-bay format mounts to a compatible radio transmitter; the radio transmitter is not included.
An XT30 external power input accepts DC 7.4V–28V from a 2S–6S battery source.
The module supports refresh rates up to F-1000Hz and RF output up to 1W.
Package contents vary by selected option; receiver bundles include the compatible SkyGyu 2.4G receiver.