Flysky FS-ST16 2.4GHz 16CH EdgeTX Radio Transmitter with 3.5" IPS Display & FS-SR8 Receiver
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Frequently Asked Questions
Does the FS-ST16 run EdgeTX out of the box?
Yes. The FS-ST16 ships with EdgeTX pre-installed on its H7 processor. It is also compatible with Flysky proprietary firmware. You can update or switch firmware via the Type-C port and SD card slot.
What receivers are compatible with the FS-ST16?
The FS-ST16 uses Flysky's ANT protocol and is compatible with the included FS-SR8, the bonus FS-SRM, and other ANT-protocol receivers. For third-party receivers, use an external CRSF or SBUS module via the expansion bay.
What throttle type should I choose?
Left Throttle (Mode 2 equivalent) is standard for most FPV drone and airplane pilots. Right Throttle (Mode 1) is preferred in some regions. Dual-return center throttle is designed for RC car and boat use where throttle self-centers. Select your preference at checkout — throttle type cannot be changed after shipping.
Is a battery included?
No. The FS-ST16 requires two 18650 cells or a 2S LiPo battery (not included). The transmitter supports 2S LiPo balance charging directly via the USB Type-C port, so no separate charger is needed for the radio battery.
Can I connect the FS-ST16 to an RC simulator?
Yes. Connect the FS-ST16 to your PC or Mac via the USB Type-C port and it will be recognized as a joystick/HID device compatible with popular RC simulators such as Velocidrone, Liftoff, and RealFlight.
What's in the Box
- 1x Flysky FS-ST16 Transmitter
- 1x FS-SR8 Receiver
- 1x FS-SRM Receiver — Bonus free receiver
- 1x User Manual
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Description
The Flysky FS-ST16 is a 16-channel 2.4GHz radio transmitter running EdgeTX open-source firmware on a powerful H7 processor. With a 3.5" 320×480 IPS outdoor display, 3D Hall-effect gimbals (4096-step resolution), dual-antenna design, and programmable RGB lighting, the ST16 delivers professional-grade control for FPV drones, fixed-wing aircraft, RC cars, and boats. The package includes an FS-SR8 receiver and a bonus FS-SRM receiver.
📖 Read our FS-ST16 vs FS-ST8 comparison review on the SoarSky blog →
Key Features
- ✅ EdgeTX Open-Source Firmware — H7 processor, compatible with EdgeTX and Flysky proprietary firmware; unlimited customization
- ✅ 16 Channels / ANT Protocol — full 16CH control via 2.4GHz ANT protocol; compatible with FS-SR8 and other ANT receivers
- ✅ 3.5" IPS Outdoor Display — 320×480 full-color non-touch IPS screen; high-brightness, clearly readable in sunlight
- ✅ 3D Hall-Effect Gimbals — 4096-step resolution, <0.15% linearity error, >1μs stability; ultra-precise and durable
- ✅ Dual Antenna Design — one built-in + one foldable external antenna; seamless indoor/outdoor signal coverage; >1500m range
- ✅ Programmable RGB Lighting — per-key programmable lighting and ambient seat lighting
- ␅ Kevlar-Textured Grip — anti-slip ergonomic shell with Kevlar texture; expandable hook for phone holders and neck straps
- ✅ Multi-Protocol Support — CRSF, SBUS, and more for external module expansion
- ✅ Advanced Parameter Tuning — 10 dual-rate curves, 20 programmable mixes, customizable throttle curves; live voice alerts for voltage and signal
- ✅ Type-C Multi-Function Port — charging (incl. 2S LiPo balance charge), firmware update, and simulator connection via one port
- ✅ 40 Model Memories — store and switch between 40 model profiles instantly
- ✅ Lightweight Body — 665g including battery; extended flight sessions without fatigue
Review Video
Real-world review: Flysky FS-ST16 EdgeTX 16CH radio transmitter
Specifications
Gallery

FS-ST16 — front view with 3.5" IPS display and dual-antenna layout

FS-ST16 — programmable per-key RGB lighting and ambient seat lighting

FS-ST16 — 3D Hall-effect gimbals and Kevlar-textured anti-slip grip

FS-ST16 — EdgeTX interface and 40-model memory management

FS-ST16 — Type-C port for charging, firmware update, and simulator

FS-ST16 — dual antenna: built-in + foldable external for >1500m range

FS-ST16 — live voice alerts for voltage, signal strength, and function activation

FS-ST16 — CRSF and SBUS external module expansion bay

FS-ST16 — paired with included FS-SR8 receiver

FS-ST16 — expandable hook for phone holder and neck strap compatibility

FS-ST16 — dimensions: 224.1 × 180 × 101.3mm, weight: 665g

FS-ST16 — full package contents overview
Package Includes
- Flysky FS-ST16 Transmitter × 1
- FS-SR8 Receiver × 1
- FS-SRM Receiver × 1 (bonus)
- User Manual × 1
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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.