GEPRC LINKFLOW 915M ExpressLRS TX Module – FPV Drone Part
GEPRC LINKFLOW 915M ExpressLRS TX Module – FPV Drone Part
GEPRC LINKFLOW 915M ExpressLRS TX Module – Long-Range FPV Control
Take your FPV freestyle and long-range drone builds to the next level with the GEPRC LINKFLOW 915M TX Module. Engineered for the next generation of ExpressLRS (ELRS) pilots, this JR-Bay TX module delivers rock-solid 915MHz control with up to 2000mW of output power — making it one of the most capable long-range radio modules available for DIY RC quadcopter and FPV freestyle builds.
Why Choose the GEPRC LINKFLOW 915M TX Module?
- Next-Gen ExpressLRS 3.x Compatible: Standard JR-Bay design fits most popular radio transmitters on the market.
- 868/915MHz Dual-Band Support: Up to 2000mW output power for exceptional link range and signal penetration.
- Active Cooling System: Built-in high-speed fan keeps the module running cool even at maximum power output.
- TCXO Oscillator: Temperature-compensated crystal oscillator ensures stable, drift-free performance in extreme weather and altitude conditions.
- Custom Moxon Antenna: Included 915MHz Moxon antenna provides enhanced, directional signal transmission for improved link quality.
- Integrated Backpack Chip (ESP8285): Enables direct peripheral connectivity without extra hardware.
- Dedicated UART Port: Ideal for relay setups or connecting high-power receivers.
- Flexible Power Input: Runs on external 2–6S LiPo power supply.
- RGB Status Indicator: Instantly see your module's link and power status at a glance.
- Easy Firmware Updates: Update via USB or WiFi with no special tools required.
Technical Specifications
| Module Type | JR-Bay |
| Main Chip | ESP32 |
| Backpack Chip | ESP8285 |
| RF Chip | SX1276 |
| Frequency | 868 / 915 MHz |
| Output Power | Up to 2000mW |
| Oscillator | TCXO |
| Refresh Rate | 25Hz – 200Hz |
| Antenna Connector | SMA |
| Power Supply | 2–6S |
| Firmware | LINKFLOW 900M TX |
| Color | Black |
| Material | Plastic |
| Country of Origin | Made in China |
Package Contents
- 1× GEPRC LINKFLOW 915M TX Module
- 1× 915MHz Moxon Antenna
- 1× GH1.25 3-pin Connection Cable
Note: Due to production batch variations, minor differences in appearance, color, or printed text may occur and will not affect performance or functionality. Measurement tolerance: ±1–3cm.
Learn More About FPV Drone Radio Systems
For guidance on safe operation of radio-controlled aircraft and drone regulations, visit the FAA Unmanned Aircraft Systems (UAS) resource page. For electronics safety standards relevant to RF transmitting devices, refer to the FCC — though for authoritative consumer safety guidance, CPSC.gov offers resources on electronic product safety.
Frequently Asked Questions
Q: Is the GEPRC LINKFLOW 915M TX Module compatible with ExpressLRS 3.x firmware?
A: Yes. The GEPRC LINKFLOW 915M TX Module is designed specifically for ExpressLRS 3.x (ELRS) and runs the LINKFLOW 900M TX firmware. It uses the standard JR-Bay form factor, making it compatible with most popular radio transmitters that support external JR modules.
Q: What is the maximum transmission power of the LINKFLOW 915M TX Module?
A: The module supports up to 2000mW (2W) of output power on the 868/915MHz frequency band, enabling long-range FPV flights with a strong, stable control link even in challenging RF environments.
Q: How do I update the firmware on the GEPRC LINKFLOW 915M TX Module?
A: Firmware updates are straightforward — you can update via USB connection to your computer or wirelessly over WiFi using the integrated backpack chip (ESP8285). No soldering or special tools are required.
Q: What power supply does the GEPRC LINKFLOW 915M TX Module require?
A: The module operates on an external 2–6S LiPo power supply, giving you flexibility to power it from your quad's battery or a dedicated ground station power source.
Q: Does the module come with an antenna?
A: Yes. The package includes one 915MHz custom Moxon antenna designed to provide enhanced signal transmission and improved link quality for your FPV drone flights.