FrSky Tandem X18 Dual-Band 2.4GHz/900MHz RC Transmitter
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Frequently Asked Questions
What is TANDEM dual-band and why does it matter for RC flying?
TANDEM is FrSky's proprietary dual-band RF system that simultaneously transmits on both 900MHz and 2.4GHz frequencies. The 2.4GHz band provides fast response with 4ms ultra-low latency, while the 900MHz band delivers significantly longer range and better signal penetration through obstacles and airframes. By using both bands simultaneously, the X18 achieves both speed and range - if one band experiences interference, the other maintains the link. This makes it ideal for long-range FPV, fixed-wing, and any application where signal reliability at distance is critical.
What is the ETHOS operating system and how is it different from OpenTX/EdgeTX?
ETHOS is FrSky's proprietary next-generation operating system designed from the ground up for modern RC transmitters. Unlike OpenTX or EdgeTX, ETHOS features a full color touchscreen interface with an intuitive graphical menu system, making model setup and configuration significantly easier for both beginners and experienced pilots. ETHOS supports advanced features including haptic vibration alerts, voice speech outputs, and a flexible mixer system. It receives regular firmware updates from FrSky and is optimized specifically for FrSky hardware and protocols.
How many channels does the X18 support and what protocols are compatible?
The X18 supports up to 24 channels via the internal TD dual-band module. It is compatible with three protocols: TD (TANDEM dual-band 900MHz+2.4GHz for maximum range), ACCESS (FrSky's advanced 2.4GHz protocol for existing ACCESS receivers), and ACCST D16 (legacy FrSky protocol for backward compatibility with older receivers). This means the X18 works with most existing FrSky receivers while also supporting the latest TANDEM dual-band receivers.
Does the color choice (Black, Blue, Red) affect the price or specifications?
Black and Blue are priced the same. The Red variant is priced slightly higher due to its premium finish. All three color variants share identical internal hardware, RF performance, channel count, and specifications. The difference is purely cosmetic - choose the color that best suits your personal style.
What battery does the X18 use and how is it charged?
The X18 is powered by a 2S Li-ion battery pack (not included in all configurations - please check your specific listing). Charging is done via the USB Type-C port on the transmitter, making it convenient to charge from any standard USB-C power source. The transmitter weight is 687g without battery. We recommend using FrSky's official battery pack for guaranteed compatibility and optimal runtime.
What's in the Box
- 1x FrSky Tandem X18 Transmitter — Color as selected
- 1x TD Internal RF Module (pre-installed) — Dual-band 900MHz/2.4GHz
- 1x USB Type-C Charging Cable
- 1x Neck Strap
- 1x User Manual
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Description
Experience Unmatched Control with the FrSky Tandem X18 Dual-Band Transmitter
Elevate your RC flying experience with the FrSky Tandem X18, a cutting-edge dual-band telemetry radio engineered for precision, comfort, and reliability. Whether you are a competitive pilot or a dedicated hobbyist, the X18 offers the perfect blend of advanced technology and ergonomic design to keep you in total control.
Why Choose the FrSky Tandem X18?
- Simultaneous Dual-Band Performance: Harness the power of both 900MHz and 2.4GHz frequencies. The TD dual-band RF system delivers ultra-low 4ms latency and long-range reliability, ensuring your signal stays rock-solid in any environment.
- Ergonomic Excellence: Designed with the pilot in mind, the X18 features comfortable, rounded hand grips and a stable flat-base design. With 6 total trims and easy-to-reach sliders, you can make precise flight adjustments on the fly.
- Intuitive ETHOS Operating System: Navigate your settings with ease using the powerful, user-friendly ETHOS OS. Featuring a vibrant color touch-screen, it provides a flexible and intuitive interface that makes complex configurations simple.
- Pro-Grade Hardware: Equipped with high-precision Hall-sensor gimbals, haptic vibration alerts, and voice speech outputs, the X18 provides the tactile feedback you need for professional-level flying.
- Future-Proof Connectivity: With an integrated Lite-type external module bay, USB Type-C charging for 2S Li-ion batteries, and built-in flash storage, the Tandem X18 is built to grow with your fleet.
Key Specifications
- Channels: Up to 24 channels
- RF System: TANDEM Dual-Band (900M/2.4G)
- Display: 480*320 Backlit Touch-Screen
- Weight: 687g (without battery)
- Compatibility: Supports ACCESS, ACCST D16, and TD protocols
Take command of the skies. Order your FrSky Tandem X18 today and discover the ultimate in RC transmitter technology.
Shipping Info
🏭 Fulfillment Warehouses
SoarSky operates warehouses in the US, Europe, and China. Orders are fulfilled from the nearest local warehouse. If local stock is unavailable, your order will ship from our China warehouse and international shipping times will apply.
💰 Shipping Rates
| Type | Condition | Cost |
|---|---|---|
| Free Shipping | Orders over $100 | Free |
| Standard Shipping | Orders under $100 | Based on weight & address |
| International Shipping | All international orders | Based on destination & weight |
⏱️ Dispatch & Delivery Times
| Region | Estimated Delivery |
|---|---|
| Domestic (US) | 5–10 business days |
| International | 10–15 business days |
* Customs processing may affect international delivery times.
🚫 Shipping Restrictions
Some remote areas may experience longer delivery times or limited shipping options. We will notify you if any issues arise.
📦 Order Tracking
Once your order ships, you will receive a confirmation email with a tracking number. Track your shipment via:
| Platform | Link |
|---|---|
| 17Track | www.17track.net |
| SoarSky Order Tracker | soarskyrc.com/pages/track-order-1 |
📬 Contact Us
If you encounter any issues such as damaged items or lost packages, please contact our customer service team as soon as possible and we will work to resolve it promptly.