Is the X20HD suitable for FPV drones?

Yes. It is specifically designed for HD FPV systems and works perfectly for freestyle, racing and long-range drones.

What protocol does the radio use?

It uses FrSky TANDEM dual-band protocol (2.4GHz + 900MHz simultaneous).

Does it support external RF modules?

Yes, the transmitter includes a module bay for third-party RF modules (such as long-range systems).

Is it beginner friendly?

Yes. The ETHOS operating system is easier to navigate than traditional radio firmware, making setup faster for new pilots.

What RC models can it control?

FPV drones, fixed-wing aircraft, helicopters, RC cars and boats — any compatible receiver model.

frsky ethos tandem x20hd transmitter hd black light

NewFrSky TANDEM X20HD ETHOS Radio Transmitter for FPV & RC

About The FrSky TANDEM X20HD Radio Transmitter:

The FrSky TANDEM X20HD is a professional all-in-one HD FPV radio transmitter combining dual-band long-range control and built-in digital video viewing. Powered by the ETHOS operating system and equipped with precision hall sensor gimbals, it delivers reliable link performance, intuitive operation, and clear live monitoring without extra equipment — ideal for FPV freestyle, cinematic, and long-range pilots.

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Description

FAQ

● Built-in HD digital video transmission (720P 60FPS).

● Dual-band 2.4GHz + 900MHz TANDEM long-range control.

● ETHOS operating system with touchscreen interface.

● Precision CNC hall sensor gimbals for accurate flight control.

● HDMI output & external module bay for expansion.

Features

● Built-in near 0ms latency HD digital video transmission system (720P 60FPS)

- Supports working with HDZero VTX Race V2, etc.
(Note: the range is dependent on the VTX power setting in use.)
- Supports HDMI Output
- 5.8G circularly polarized directional external antennas
● Built-in TD 900M/2.4G Dual-Band Internal RF Module
Supports Multiple Working Modes
- 2.4G ACCST D16 Mode (Compatible with ACCST Receivers with D16 V2 or later FW)
- 2.4G ACCESS Mode (Compatible with ACCESS Receivers)
- 900M ACCESS Mode (Compatible with ACCESS R9 868/915MHz Receivers)
- Capable of simultaneous working under ACCESS mode
- 2.4G&900M TD Mode (Compatible with TD Receivers)
● Super-low latency and long-range control with telemetry
- Up to 50 to 100KM range and down to 4ms end-to-end latency
● 800*480 Color Touch-Screen Displays
● 6 Quick-Mode Custom Buttons (Front) and 2 Momentary Buttons (Rear)
● Lite Type External Module Bay
● Built-in 6-axis Gryoscope Sensor
● All CNC Metal Trim Knobs
● Haptic Vibration Alerts and Voice Speech Outputs
● Supports Recharge System for 2S Li-ion Battery (USB Type-C Interface)
● High-speed PARA Wireless Training System (Compatible with FreeLink App3.0)
● High-Precision Hall-Sensor Gimbals with All-CNC Metal Panel
● ETHOS: The more powerful, Flexible and Intuitive OS for your radio.
- Clear and Intuitive UI Design
- Supports Dual Operation Modes of Radio Display (Touch and Non-Touch)
- Supports Multi-Language Switching
- Hardware/Software Version and Factory Version Detection
- Supports running LUA Scripts

frsky ethos tandem x20hd transmitter hd features

Sepcification

● Dimension: 213*200*95 mm (L*W*H)

● Weight: 833g (without battery)
● Operating system: ETHOS
● Internal RF module: TANDEM
● Number of Channels: 24 channels
● Operating Voltage Range: 6.5 ~ 8.4V (2S Li-battery)
● Operating Temperature: -10℃~60℃ (14℉~140℉)
● USB Adaptor Voltage: 5V+0.2V
● USB Adaptor Current: >2.0A
● Backlit touchable LCD resolution: 800*480
● Compatibility: ACCST D16 & ACCESS & TD series receivers
● Resolution & Frame Rate of HD VTX: 720P 60FPS

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