The Foxeer Reaper Nano VTX is a compact and high-performance video transmitter designed for FPV (First Person View) applications. It boasts a range of features aimed at providing stable and clear video transmission, even in challenging conditions.
Function Description:
The Reaper Nano VTX's primary function is to transmit analog video signals from an FPV camera to a receiver, allowing pilots to view their drone's perspective in real-time. It operates on a 5.8GHz frequency band and offers multiple power output options and channels to suit various flying environments and regulations. The device is designed with a focus on signal purity and interference rejection, ensuring a stable video feed even at full throttle. Its small size and low power consumption make it ideal for lightweight drone builds where space and battery life are critical. The integrated LED indicators provide visual feedback on the current power, band, and channel settings, simplifying configuration.
Important Technical Specifications:
- Dimensions: 12×16mm, making it exceptionally small and suitable for micro and nano drone builds.
- Weight: Less than 1 gram (<1g), contributing to minimal impact on drone flight performance.
- Connector: UFL, a common and compact connector type for FPV antennas.
- Display: 3 LEDs (Red, Green, Blue) for indicating power, band, and channel settings respectively.
- Power Output: Selectable power levels of 25mW, 100mW, 200mW, and 350mW. This flexibility allows users to choose the appropriate power for their flying environment, balancing range and avoiding interference with other pilots.
- Input Voltage: 5V, compatible with most flight controllers and power distribution boards.
- Output Voltage: 5V, which can be used to power an FPV camera directly.
- Channels: 40 channels, spread across 5 bands (Band A, B, E, F, R). This wide range of channels helps in finding a clear frequency and avoiding interference from other FPV pilots.
- Protocol: Tramp, enabling remote control of VTX settings (power, band, channel) through the flight controller's OSD (On-Screen Display).
- Frequency Table:
- Band A: 5865, 5845, 5825, 5805, 5785, 5765, 5745, 5725 MHz
- Band B: 5733, 5752, 5771, 5790, 5809, 5828, 5847, 5866 MHz
- Band E: 5705, 5685, 5665, 5645, 5885, 5905, 5925, 5945 MHz
- Band F: 5740, 5760, 5780, 5800, 5820, 5840, 5860, 5880 MHz
- Band R: 5658, 5695, 5732, 5769, 5806, 5843, 5880, 5917 MHz
Usage Features:
The Reaper Nano VTX is designed for ease of use and robust performance.
- Clean Filtering and Interference Rejection: The device features "amazingly clean filtering" and "great interference rejection ability," which means it produces a clear video signal with minimal noise, even when the drone's motors are running at full throttle. This is crucial for maintaining situational awareness during flight.
- Small Spur: A "small spur" indicates that the VTX generates minimal unwanted radio frequency emissions outside its intended operating frequency, reducing the likelihood of interfering with other electronic components or nearby FPV systems.
- No Frequency Drift: The VTX is designed to maintain a stable operating frequency, preventing "frequency drift" which can lead to signal degradation and loss of video quality over time or with temperature changes.
- Button Operation for Settings: The device utilizes a single button for configuring its settings:
- Band Select Mode: Press and hold the button for 3 seconds to enter band setup. The GREEN LED will illuminate and flash. Subsequent short presses will cycle through the available bands.
- Channel Select Mode: After setting the band, continue to press and hold the button for another 3 seconds to enter channel setup. All three LEDs (Red, Green, Blue) will illuminate and flash. Short presses will then cycle through the channels within the selected band.
- Power Select Mode: After setting the channel, continue to press and hold the button for another 3 seconds to enter power setup. The RED LED will illuminate and flash. Short presses will cycle through the available power output levels (25mW, 100mW, 200mW, 350mW).
- LED Indicators:
- Red LED: Indicates the current power setting.
- Green LED: Indicates the current band setting.
- Blue LED: Indicates the current channel setting.
These LEDs provide clear visual feedback, making it easy to confirm the VTX's configuration at a glance.
- Tramp Protocol Support: The inclusion of the Tramp protocol allows for convenient remote configuration of the VTX settings (power, band, channel) directly from the flight controller's OSD. This eliminates the need to physically access the VTX button, especially when the device is installed in a hard-to-reach location within the drone.
- Low Consumption: The "low consumption" feature implies efficient power usage, which is beneficial for extending flight times on battery-powered drones.
Maintenance Features:
While the manual does not explicitly detail maintenance features, the design choices suggest a focus on reliability and ease of integration:
- Robust Design: The emphasis on "clean filtering" and "anti-interference performance" suggests a robust internal design that is less susceptible to environmental factors or electrical noise from other drone components.
- Compact Size: The small size (12x16mm) and light weight (<1g) simplify installation and reduce the risk of damage during crashes compared to larger, heavier components.
- UFL Connector: The UFL connector is a standard for FPV antennas, making antenna replacement straightforward if damaged.
- LED Diagnostics: The LED indicators serve as a basic diagnostic tool, allowing users to quickly verify if the VTX is powered on and what its current settings are. Any issues with power or configuration can often be identified by observing the LED behavior.
In summary, the Foxeer Reaper Nano VTX is a highly integrated and performance-oriented video transmitter, offering a blend of compact design, powerful features, and user-friendly configuration options, making it a strong choice for FPV enthusiasts seeking reliable and clear video transmission.
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