1. Introduction
The GEPRC MATEN 1.2G 2W VTX is a high-power video transmitter designed for long-range FPV applications. It features adjustable power levels up to 2000mW, ensuring stable signal transmission and excellent penetration capabilities. The VTX is built with a high-strength aluminum alloy CNC shell for enhanced impact resistance and superior heat dissipation.
It supports the IRC Tramp protocol, allowing for quick parameter adjustments via OSD. With a wide voltage input range of 7-36V and a temperature control protection function, it is designed to prevent overheating and potential damage. The unit supports a 30.5×30.5mm (M3) mounting hole pattern for easy integration into various drone frames.
Key Features:
- Four levels of adjustable power, up to 2000mW, suitable for long-distance flight.
- 9 optional channels.
- High-strength aluminum alloy CNC shell for auxiliary heat dissipation.
- Wide voltage input, supports 7V-36V (2-8S Battery).
- One function button and two indicator lights for easy control.
- VTX control protocol is IRC Tramp, supporting OSD parameter adjustment.
- Temperature control protection function to prevent high-temperature burning.
- Supports 30.5×30.5mm (M3) installation hole position.
2. Product Contents
The package includes the following items:
- 1 x MATEN 1.2G 2W VTX
- 1 x MMCX to SMA (internal needle) connector
- 1 x 1.2G antenna (SMA inner hole)
- 1 x SH1.25 6P Connecting cable
- 5 x M3*7 screws
- 5 x M3*8 screws
- 5 x M3 x 10 hexagon standoffs
- 5 x M3*5 isolation columns
- 5 x M3 nylon nuts
- 1 x Product description (this manual)
3. Specifications
| Parameter | Value |
|---|---|
| Model | GEPRC MATEN 1.2G 2W VTX |
| Size | 36.4 × 36.4 × 7.4 mm |
| Mounting Hole | 30.5 × 30.5 mm (M3) |
| Frequency Band | 1080MHz - 1360MHz |
| Channels | 9 |
| Channel Frequencies | 1080/1120/1160/1200/1240/1280/1320/1360/1220 (MHz) |
| Output Power | 25mW/400mW/800mW/2000mW/Pit mode |
| Frequency Stability | ±100KHz (Typ.) |
| Frequency Precision | ±200KHz (Typ.) |
| S/N (Fo±3MHz) | >70dBc |
| Antenna Port | 50 Ohms |
| Input Voltage | DC 7-36V (2-8S Battery) |
| Output Voltage | 5V@600mA (for Camera/Cooling Fan only) |
| Protocol | IRC Tramp |
| Antenna Interface | MMCX |
| Cable Interface | SH1.25 6pin |
| Video Format | PAL/NTSC |
| Operating Temperature | -10℃ ~ +60℃ |
| Weight | 14.5g (VTX only) |
4. Safety Notes and Precautions
- Always install the antenna before powering on the VTX. Operating the VTX without an antenna can cause permanent damage to the unit.
- To prevent overheating, ensure constant airflow and a well-ventilated environment around the VTX. Consider installing a cooling fan if operating in confined conditions or at high power levels.
- The 5V output is strictly for connecting a camera or a cooling fan. DO NOT connect the main power input or battery directly to the 5V output. Doing so will cause serious and irreversible damage to the VTX.
- Ensure correct polarity when connecting power to avoid damage.
- Keep the VTX away from water and moisture.
5. Setup and Installation
5.1 Mounting
The GEPRC MATEN 1.2G 2W VTX features a 30.5 × 30.5 mm (M3) mounting hole pattern. Use the provided M3 screws, standoffs, isolation columns, and nylon nuts to securely mount the VTX to your drone frame or flight stack. Ensure there is adequate space for airflow around the unit.
5.2 Wiring Diagram
Connect the VTX to your flight controller and power source according to the following pinout:
- GND: Ground connection.
- 5VOUT: 5V output for camera or cooling fan (max 600mA).
- IRC: IRC Tramp protocol signal for OSD control.
- VTX: Video input from your FPV camera.
- 7-36V: Main power input (2-8S LiPo battery compatible).
Important: Double-check all connections before applying power to prevent damage to the VTX or other components.
5.3 Antenna Connection
Connect the provided 1.2G antenna to the MMCX antenna interface on the VTX using the MMCX to SMA connector. Ensure the connection is secure. Remember the safety note: Always install the antenna before powering on the VTX.
6. Operating Instructions
The VTX features a single side button and two indicator lights (blue for channel, red for power) for easy adjustment of frequency, power, and Pit Mode.
6.1 Adjusting Frequency (Channel)
- Press the side button for 1 second to switch the frequency (channel).
- The blue light will flash to indicate the current channel:
- Flash 1X: CH1 (1080MHz)
- Flash 2X: CH2 (1120MHz)
- Flash 3X: CH3 (1160MHz)
- Flash 4X: CH4 (1200MHz)
- Flash 5X: CH5 (1240MHz)
- Flash 6X: CH6 (1280MHz)
- Flash 7X: CH7 (1320MHz)
- Flash 8X: CH8 (1360MHz)
- Flash 9X: CH9 (1220MHz)
6.2 Adjusting Output Power
- Long press the side button for 4 seconds to switch the output power.
- The red light will flash to indicate the current power level:
- Flash 1X: 25mW
- Flash 2X: 400mW
- Flash 3X: 800mW
- Flash 4X: 2000mW
6.3 Pit Mode
- Long press the side button for 8 seconds to enter or exit Pit Mode.
- When in Pit Mode, the red light will extinguish. Pit Mode transmits at a very low power level (typically 0mW or very low mW) to prevent interference with other pilots while you are setting up your drone.
6.4 OSD Parameter Adjustment (IRC Tramp)
The VTX supports the IRC Tramp protocol, allowing you to adjust VTX settings directly from your flight controller's OSD (On-Screen Display). Refer to your flight controller's manual for specific instructions on how to access and use the VTX control menu via OSD.
7. Maintenance
- Cleaning: Keep the VTX clean and free from dust and debris. Use a soft, dry cloth to wipe the exterior. Avoid using liquids or solvents.
- Heat Management: Regularly check for proper airflow and ensure the VTX is not obstructed. Overheating can reduce performance and lifespan.
- Connections: Periodically inspect all wiring and antenna connections for signs of wear, corrosion, or looseness. Secure any loose connections.
- Storage: Store the VTX in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
8. Troubleshooting
- No Video Signal:
- Ensure the antenna is securely connected.
- Verify the VTX is powered on and receiving adequate voltage (7-36V).
- Check the video input connection from the camera to the VTX.
- Confirm that your FPV receiver is on the correct frequency/channel.
- Ensure the VTX is not in Pit Mode (red light extinguished).
- Poor Video Quality/Range:
- Check antenna condition; a damaged antenna can severely degrade performance.
- Increase the output power of the VTX (refer to Section 6.2).
- Ensure there are no major obstructions between your drone and receiver.
- Check for sources of interference (e.g., other electronic devices, nearby VTXs on similar frequencies).
- Ensure adequate cooling to prevent thermal throttling.
- VTX Overheating:
- Ensure sufficient airflow around the VTX.
- Consider adding a small cooling fan, especially when operating at higher power levels.
- Reduce the output power if high temperatures persist.
9. User Tips
No specific user tips were available from reviews or Q&A for this product. However, general best practices for FPV VTXs include:
- Always perform a range check before flying, especially after changing VTX settings or antennas.
- Be mindful of local regulations regarding VTX power output and frequency usage.
- Use high-quality antennas for optimal performance.
- Consider using a VTX with a heatsink or active cooling when pushing high power levels.
10. Warranty and Support
For warranty claims, technical support, or further assistance, please contact your retailer or the manufacturer directly. Keep your proof of purchase for any warranty-related inquiries.





