Nov.2022 30
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How to select Transmitters (TX) and receivers (RX)
Introduction
Selecting the right transmitter (TX) and receiver (RX) is essential for establishing reliable and responsive communication between you (the pilot) and your drone. Transmitters and receivers come in various models with different features and capabilities.
Details

Selecting the right transmitter (TX) and receiver (RX) is essential for establishing reliable and responsive communication between you (the pilot) and your drone. Transmitters and receivers come in various models with different features and capabilities. Here's a step-by-step guide to help you choose the best TX and RX for your needs:

**1. Determine Your Drone's Requirements:**

- Understand the number of channels you need. Each channel controls a specific function on your drone (throttle, yaw, pitch, roll, switches for flight modes, etc.).

- Consider if you need additional channels for features like camera gimbal control, retractable landing gear, or other accessories.

**2. Choose the Right Frequency:**

- Most modern transmitters and receivers use 2.4GHz frequency, which provides reliable and interference-free communication.

- Avoid older 72MHz or 35MHz systems, as they may suffer from interference issues.

**3. Compatibility:**

- Ensure the transmitter and receiver are compatible with each other.

- Check if the receiver is compatible with your flight controller and other onboard electronics.

**4. Consider Your Experience Level:**

- If you're a beginner, consider transmitters with user-friendly interfaces and simpler setups.

- More advanced pilots may prefer transmitters with extensive customization options.

**5. Ergonomics and Comfort:**

- Choose a transmitter that feels comfortable in your hands and has intuitive controls.

- Consider the layout of switches, buttons, and gimbals for ease of use.

**6. Brand Reputation:**

- Opt for reputable brands with a history of producing quality transmitters and receivers.

- Established brands often offer better support and a wider range of compatible products.

**7. Expandability and Upgrades:**

- Check if the transmitter and receiver support firmware updates or additional modules for future expansion.

- Some transmitters allow you to upgrade the firmware for new features or compatibility.

**8. Modes and Protocols:**

- Transmitters often come in different modes (e.g., Mode 1, Mode 2). Choose the mode that aligns with your preference and flying style.

- Check the protocol compatibility (e.g., FrSky, FlySky, Spektrum). Make sure the transmitter and receiver use the same protocol.

**9. Range and Telemetry:**

- Consider the range you need for your drone's intended applications.

- Some transmitters offer telemetry capabilities, allowing you to receive real-time data from your drone.

**10. Battery Life and Power Source:**

- Check the battery life of the transmitter and ensure it can last through your typical flying sessions.

- Some transmitters use replaceable AA or AAA batteries, while others have built-in rechargeable batteries.

**11. Price and Budget:**

- Set a budget for your transmitter and receiver. Consider investing in a quality system that suits your needs and offers good value.

**12. Receiver Size and Mounting:**

- Ensure the receiver can fit within your drone's frame and that it's easy to mount securely.

**13. Research and Reviews:**

- Read reviews and gather feedback from other drone pilots who have used the specific transmitter and receiver models you're considering.

By carefully considering these factors and understanding your drone's requirements, you can make an informed decision when selecting a transmitter and receiver that will provide reliable and seamless communication between you and your drone during flights.