FrSky 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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Top highlights
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.
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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
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
Recommendations
Reviews
J*********V
Verified
Feels great with a neck strap. Much faster setup with the touchscreen.
Options：Black
Additional reviews after 5
days
Logged over 50 hours on it now. Gimbals still center perfectly every time.
Replied by MEPSKING:Thanks for sharing your 50-hour milestone! We use ultra-reliable hall sensors to ensure zero drift over time. Smooth flying!
C********r
Verified
Pricey but you absolutely get what you pay for. The audio callouts are clear and the case feels incredibly solid in the hands.
Options：Blue
Additional reviews after 13
days
Follow up: The latest ETHOS firmware update fixed the minor bluetooth audio lag. Support is great.
Replied by MEPSKING:Glad to hear the new firmware update resolved the bluetooth lag! We are committed to constantly refining the ETHOS ecosystem.
M*********C
Verified
Fast delivery. Husband loves it!
Options：Black
Replied by MEPSKING:Thank you for choosing us for such a special gift! We're thrilled to hear your husband is enjoying the precision of the gimbals. Happy racing to him!
N********k
Verified
Perfect HD video input for my ground relay. No flicker.
Options：Blue
C**********r
Verified
Phenomenal range through the woods. Awesome radio.
Options：Blue
K*********r
Verified
Upgraded from a QX7. The CNC hall gimbals on this X20HD are insanely precise. Flown all weekend with zero issues.
Options：Blue
Additional reviews after 11
days
Quick update: survived a nasty drop on gravel. Case got a tiny scratch but everything works fine. Rugged!
M********K
Verified
Fast shipping to the UK, box arrived perfectly sealed. The switch layout fits my hybrid pinching style perfectly. Touch screen is super bright.
Options：Black
S**********V
Verified
Best transmitter ever. Worth every penny.
Options：Blue
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FAQFeel free to ask us any questions
Q: What makes the X20HD special?
A: It integrates HD video display and radio control into one device for a simplified FPV setup.
Q: Does it support FPV goggles?
A: Yes, it also supports HDMI output for external goggles or screens.
Q: Is the latency low?
A: Yes, it offers near-zero latency for both control and video.
Q: What protocol does it use?
A: FrSky TANDEM dual-band protocol (2.4GHz + 900MHz).
Q: Is it beginner-friendly?
A: Yes, ETHOS makes setup easier than traditional systems.
Verified