Overview
The FrSky TW SR10 is a TWIN series 2.4GHz TW protocol RC receiver designed to run dual active 2.4G frequency bands simultaneously (active-active). It uses three 2.4GHz antennas and supports flexible channel port assignment for PWM, SBUS, FBUS, and S.Port, helping reduce wiring when using FBUS-capable devices in ETHOS.
The TW SR10 also includes an ADV Stabilizer function, adding advanced stabilization options beyond classical gyroscope modes, plus built-in high-precision telemetry sensing (including altitude and vertical speed) and a basic black-box data record function.
Key Features
- Simultaneous Working Dual 2.4G TW Mode (dual active 2.4GHz bands)
- Built-in ADV Stabilizer (advanced stabilization function)
- Classical stabilization mode enhanced with 5 additional stabilization channels
- Multiple flight modes referenced for airplane use: Stabilization, Auto-Level, Hover, Knife-Edge
- Advanced stabilization mode with configurable output pins for stabilization and additional features (stab file sharing, programmable parameters, developer access)
- Built-in high-precision telemetry sensor: altitude, vertical speed, etc.
- Basic black-box data record function
- 10 configurable channel ports:
– CP1: PWM / SBUS OUT / FBUS / S.Port / SBUS IN
– CP2-10: PWM / SBUS OUT / FBUS / S.Port - FBUS / S.Port support
- SBUS Out port supports 16CH / 24CH mode
- SBUS In port supports signal redundancy
- Over-The-Air (OTA) firmware update
Specifications
| Frequency | Dual 2.4GHz |
| Operating voltage range | 3.5 - 12V (recommend 2S Li-batteries) |
| Operating current | <= 120mA @ 5V |
| Voltage measurement range via AIN (external device) | 0-35V (battery voltage divider ratio: 1:10) |
| Compatibility | TWIN series radio & TW protocol capable RF module |
| Antennas | Triple 2.4GHz antennas (IPEX1 connectors) |
| Weight | 9.4g |
| Dimensions (listed) | 64.6 x 16.6 x 12.4mm (L x W x H) |
| Dimensions (mechanical drawing markings) | 50mm (length marking), 11mm (width marking), 15.6mm (height marking) |
| Markings shown on unit diagram | FBUS / S.Port, AIN2, OTA, LED, “10/24CH”, “Variometer & Stabilization”, “LoRa”, “FSK”, channel pin numbers 1-10 |
Applications
- RC airplane / fixed-wing models requiring stabilization modes (e.g., Auto-Level, Hover, Knife-Edge)
- RC builds using FBUS for combined control + telemetry on a single line (FBUS-capable servos/sensors)
- Installations needing configurable outputs (PWM / SBUS / FBUS / S.Port) and SBUS signal redundancy support
For installation questions, wiring guidance, or compatibility checks with TW protocol radios/modules, contact support@rcdrone.top or visit https://rcdrone.top/.
Details

Mechanical layout and pin labeling for the TW SR10 helps plan mounting space and channel port wiring.
