Have you ever felt uncertain about choosing between wired and wireless systems when making a purchase? Here’s a better solution: a video transmitter and receiver can transform a wired backup camera system into a wireless one. This flexible option not only provides customers with more choices but also expands your product range, catering to diverse preferences and needs.

What’s a 2.4GHz AHD Video Transmitter and Receiver?

A 2.4GHz AHD video transmitter and receiver system is a wireless transmission solution designed to deliver high-definition analog video signals in real time over the 2.4GHz frequency band. Utilizing Analog High Definition (AHD) technology, this system supports higher resolution video transmission, such as 720p or 1080p, for much clearer and more detailed images compared to traditional analog systems. Operating within the 2.4GHz band, it achieves a strong balance of range and data capacity, with transmission distances reaching up to 1500 meters in open areas and offering a stable, interference-free signal due to multi-channel options that prevent cross-talk. Commonly applied in security and surveillance, and commercial vehicle safety systems, this system enables real-time video feedback and is also suitable for mid-range video transmission, such as wirelessly connecting monitoring devices to displays or other point-to-point setups.

How Does the AHD Video Transmitter & Receiver Work?

How Do You Make the Wired Backup Camera System Wireless?

Here are 3 methods to connect the transmitter or receiver.
1. Wired Camera and Monitor to Be Wireless
a. Connect the transmitter to the AHD camera and the receiver to the AHD monitor.
b. Power on both the transmitter and receiver using a DC12-24V power supply.
c. Press and hold both “Pair” buttons simultaneously until the image appears on the monitor. The green pairing indicator light will stay on, signaling a successful connection—then release the buttons.

2. Wireless Camera to The Wired Monitor
a. Connect the AHD camera to the DC12-24V power supply.
b. Connect the receiver to the wired AHD monitor, and then power on the AHD monitor using a DC12-24V power supply.
c. Press and hold both “Pair” buttons simultaneously until the image appears on the monitor. The green pairing indicator light will stay on, signaling a successful connection—then release the buttons.

3. Wired Camera to The Wireless Monitor
a. Connect the AHD wired camera to the transmitter and then power on it.
b. Power on an AHD wireless monitor using a DC12-24V power supply.
c. Press and hold both “Pair” buttons simultaneously until the image appears on the monitor. The green pairing indicator light will stay on, signaling a successful connection—then release the buttons.

Key Points to Consider 2.4GHz AHD Video Transmitter and Receiver

Frequency Band

The 2.4GHz frequency band provides a good balance of range and signal quality, but it can be prone to interference from other devices using the same frequency, Proper positioning or keeping the distance can help reduce interference.

Signal Range

Ensure that the distance between the transmitter and receiver is within the specified range for optimal video quality. Obstacles such as walls or metal objects may reduce the effective range. Typically the transmission distance is around 500 meters in the open air, and 20-30m with the obstacles situation.

電源

Use a stable DC12-24V power source for both the transmitter and receiver to ensure consistent performance. Unstable power sources can lead to signal disruptions.

Pairing Process

To establish a connection, press and hold the “PAIR” buttons on both devices until the green indicator light remains steady, confirming a successful link. This process should only take a few seconds.

Video Quality

AHD (Analog High Definition) technology provides high-definition video transmission with minimal delay. However, the quality may vary with the signal strength and surrounding interference.

TXRX Video Output&Input

The TX video output supports the AHD/TVI/CVI/CVBS signal, and the RX video input supports the AHD 720P/1280×720.
Ensure that both the AHD camera and monitor are compatible with the transmitter and receiver for seamless video display.

Operating Environment

This system is best used in environments with minimal electronic interference and obstructions to maximize signal stability and clarity.

The Common Types of 2.4GHz AHD Video Transmitter and Receiver

For small cars;
The video transmitter and receiver operate at a voltage of 9V-14V, with a transmission distance of up to 50 meters in open-air environments.

For large vehicles;
The 2.4G AHD video transmitter and receiver require a voltage of 12V-24V and support a transmission distance of over 500 meters in open-air conditions.

What Important Factors Need to Think About

Range Requirements

Determine the distance between the transmitter and receiver. Longer distances may require high-power transmitters or additional antennas to maintain video quality. Consider any obstacles that could reduce the effective range, such as walls, metal structures, or electronic interference.

The Resolution Of Video Output

AHD transmitters can support various resolutions, such as AHD/TVI/CVI/CVBS, and automatically identify the output signal. Ensure the chosen system matches your resolution needs for clear image quality, particularly if used for security purposes or applications where detail is crucial.

Latency

The latency for this 2.4GHz AHD video transmitter and receiver system is approximately 90ms to 120ms. This range is generally acceptable for applications like standard surveillance and monitoring.

Signal Interference

When a vehicle uses multiple pairs of transmitters and receivers, it is important to maintain a distance of at least 1 meter between each pair to avoid signal interference. This ensures that each transmitter-receiver pair operates independently, reducing signal crossover and enhancing transmission quality and stability.

Power Supply and Consumption

Verify that the transmitter and receiver are compatible with your available power supply (typically DC12-24V).

Antenna Type and Placement

Antenna quality and placement play a crucial role in determining signal strength and range. If you experience weak signal reception, consider upgrading to an extended antenna, which can enhance coverage and improve transmission stability over longer distances. This replacement is especially useful in areas with physical obstructions or electronic interference, helping to ensure a clearer, more reliable connection.

Legal and Regulatory Compliance

Ensure the system meets local regulatory standards for 2.4GHz transmissions to avoid interference issues and legal complications. Some regions have strict rules for power limits on this frequency band.
Like Japan should have TELEC certified and America should have FCC ID certified.

The Advantages of 2.4GHz AHD Video Transmitter and Receiver

Easy Installation

These systems are designed for straightforward installation, often requiring minimal setup time and effort. They typically feature plug-and-play compatibility and intuitive pairing, which is especially beneficial for users with limited technical experience.

Flexible for Large Trailers and Mobile Environments

The compact design and wireless transmission allow for flexibility in placement within large trailers, RVs, and cranes. This adaptability is perfect for covering extended areas without complex cabling.

Long Transmission Distance

Operating on the 2.4GHz frequency, this system supports long-range video transmission, making it suitable for monitoring larger areas or setups where the transmitter and receiver may be positioned far apart. Extended antenna options can further enhance range if needed.

Resilient Signal in Varied Environments

The 2.4GHz frequency is generally effective at maintaining signal stability across physical barriers, which is advantageous for trailers where obstacles may interfere with line-of-sight transmission.

結論

Many vehicle owners find it challenging to choose between a wireless or wired backup camera system. After reading this article, you’ll now have a comprehensive understanding of the 2.4G AHD video transmitter and receiver—a product designed to resolve this common dilemma. VST, with over 15 years of experience as a professional manufacturer of vehicle safety solutions, is here to help. If you have any further questions or product inquiries, please feel free to reach out to our experts.