About this product
Experience the FrSky X20 R Tandem Radio Transmitter, equipped with exceptional RF performance with the TD-ISRM RS built-in RF module. Utilizing a robust dual-band 900M/2.4G RF signal link and supporting multiple protocols like TW and ACCESS R9 for versatile connectivity. The transmitters also feature enhanced design with ergonomic improvements, including a redesigned bottom-hand grip and customizable inputs for precise control. Upgraded antenna handling and two external connectors support additional 2.4G and 900M antennas, enhancing RF capabilities for extended control range in rugged outdoor environments.
Choose a Color:
- Blackish Green
- Cherry Red
- Slate Gray
- M20 High-Precision 4 Ball-Bearing Hall-Sensor Gimbals with Metal Panel
- 6 Quick-Mode Custom Buttons (Front) and 2 Momentary Buttons (Rear)
- All Knobs, Trims, and Central Linear-Slider with All-CNC Metal Caps
- Data Transmission & Recharge System via USB Type-C Interface
- Super Low-Latency and Long-Range Control with Telemetry
- 800×480 Resolution Outdoor High Brightness Touchscreen
- 900M/2.4G External Antenna Connectors (LoRa mode)
- Built-in TD-ISRM RS Dual-Band Internal RF Module
- Haptic Vibration Alerts and Voice Speech Outputs
- Further Improvements for Form Factor Design
- 2 Knobs, 4 Standard Trims with 2 Extra Trims
- High-Speed PARA Wireless Training System
- Upgraded Robust Antenna Handle
- Built-in 6-axis Gyroscope Sensor
- Built-in 8GB Flash Drive Storage
- 2 Angle Adjustable Slider Levers
- Digital Audio Power Amplifier
UPGRADED ROBUST ANTENNA HANDLE & EXTERNAL LoRa ANTENNA CONNECTORS
The newly upgraded antenna handle incorporates excellent impact resistance for tough outdoor conditions. The reinforced and thickened antenna casing is better suited for comfortable gripping and does not compromise the antenna’s performance. On the contrary, the redesigned antenna can transmit signal data more effectively, providing pilots with a more reliable flying control experience. The X20R and X20RS are also equipped with two external antenna connectors, which can be mounted with additional 2.4G and 900M antennas to enhance RF capabilities under LoRa modes, achieving enhanced long-range control.
DIFFERENCES IN APPEARANCE & FUNCTIONAL INPUTS
The X20R and X20RS have changed in appearance from the original X20 design. The bottom hand grip adopts the overall design of the PRO version, eliminating the need for an additional grip cover and allowing the bottom part to be fully grasped by the palm for a more comfortable and relaxed grip. Additionally, the Lite-type external module slot has been adjusted to provide a more fitting installation space for external modules of different shapes, making it more convenient. The R and RS versions add two extra trims, allowing for more precise tuning during operations. The slider levers on both sides of the transmitter support adjusting the positioning of the center, catering to different users’ habits and preferences. The primary input components, including trim caps, center-slider caps, and knobs, are all made from metal, offering rugged quality and enhanced durability for outdoor use.
TD-ISRM RS RF PERFORMANCE
With solid performance based on the dual-band 900M/2.4G RF signal link and multiple operating combinations of RF modes, the TANDEM X20R and X20RS versions are equipped with the TD-ISRM RS built-in RF module, which is capable of supporting multiple protocols (like TW, TD, etc.). The TD-ISRM RS RF module has the dual 2.4G TW RF mode and supports simultaneous activation under TW and ACCESS R9 modes with the same module. In this configuration, the TW receiver and ACCESS R9 receiver can be connected via the SBUS IN/OUT ports to achieve redundant backup. This RF signal connection solution utilizes three different RF links at the same time in RC applications, further enhancing the RF signal’s reliability, particularly in long-distance RC operation scenarios.
Specifications
- Recharge System for 2S Li-ion Battery: USB Type-C Interface
- Compatibility: ACCST D16, ACCESS, TD, and TW receivers
- Operating Temperature: -10°C ~ 60°C (14°F ~ 140°F)
- Operating Voltage Range: 6.5 ~ 8.4V (2S Li-battery)
- Weight: 892g (Battery Excl.) / 1024g (Battery Incl.)
- Backlit Touchable LCD Resolution: 800*480
- Operating Current: 600mA @ 7.4V (typ.)
- Dimension: 20521390mm (LWH)
- Internal RF Module: TD-ISRM RS
- Charging Current: ≤1A ± 200mA
- USB Adaptor Voltage: 5V ± 0.2V
- Number of Channels: Up to 24
- USB Adaptor Current: >2.0A
- Built-in Flash Storage: 8GB
- Operating System: ETHOS
Includes
- 1x FrSky X20 R Tandem Radio Transmitter (Choose Your Color)

RadioMaster Ranger Micro 2.4Ghz ELRS Module



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