Exploring the Technical Side of Wireless Backup Cameras

Wireless backup cameras have become a vital addition to modern vehicles, offering drivers a clear view of their surroundings, especially when backing up. But what's happening behind the scenes? Let's delve into the technical aspects of wireless backup cameras to understand their inner workings.

1.What is Wireless Backup Camera?

Technically, a wireless backup camera is a device equipped with a transmitter circuit. This circuit takes the visual data captured by the camera's lens and modulates it into radio waves. These radio waves can travel over a certain distance before being picked up by a receiver. The receiver is an electronic device designed to intercept the transmitted information. It comprises a resonant circuit with a resonant frequency set to match that of the transmitter. The received data is amplified and then converted back into video format, which can be viewed on the vehicle's onboard monitor.

2. How Wireless Backup Cameras Transmit?

To transmit video data effectively, wireless backup cameras must adhere to specific industry standards. These standards encompass video encoding formats like VGA, PAL, or SECAM. They also cover wireless protocols, including Frequency Modulation, Amplitude Modulation, and WiFi standards like IEEE 802.11b or IEEE 802.11g. By using these protocols and formats during transmission, a device becomes compatible with the transmitter. Different frequency bands, such as 900MHz and 2.4GHz, have been designated for such applications. Video resolutions like 720p (HD), 1080p (Full HD), and 1440p (Quad HD) are supported, ensuring compatibility with various monitors.

3. How Wireless Camera System Receive?

The receiver is a crucial component of the wireless backup camera system. It resides within the vehicle, often on the dashboard, and is responsible for intercepting and displaying the video stream transmitted by the camera. The receiver consists of a receiver module, an encoding module, and a display module. It is powered by the vehicle's electrical supply, with options for either a cigarette socket charger or professional installation. The receiver also includes controls for changing channels and adjusting settings.

4. What is the Types of Wireless Backup Camera Systems?

There are two primary types of wireless backup camera systems: analog and digital. Analog systems are older, utilizing continuously variable signals. In contrast, digital systems employ a binary system, working with positive and negative bits. Analog systems can't transmit data over long distances like digital systems, mainly due to limitations in design and standards compliance. They also have resolution and video quality limitations and are more susceptible to signal interference. Digital systems, on the other hand, utilize individual pulses to represent bits, making them more resistant to interference and offering greater range.

5. How About Digital Wireless Backup Camera Systems

Digital wireless backup camera systems use binary bits to function, allowing for higher-resolution images and more precise video quality. Digital systems have opened up new possibilities in the world of backup cameras by introducing precise video resolutions such as HD and Full HD.

6. What is the Range of Wireless Backup Camera?

Wireless backup camera systems typically have a range of around 100 feet, suitable for most vehicles and trailers. For optimal performance, it's essential to establish a clear line of sight between the transmitter and receiver. Weak signal reception can result from factors like signal reflection, scattering, attenuation, diffractions, and refractions. To enhance signal quality and range, minimize reflective surfaces, and ensure minimal solid obstacles block the receiver's line of sight.

7. Why You Choose Jeavox Wireless Camera System?
Jeavox Wireless System uses the advanced 2.4G Digital Wireless Backup Camera Systems. Our TXRX (receiver and transmitter) circuit board, identical to that of the wireless camera and monitor, ensures seamless compatibility across all our wireless systems. This makes it possible to connect wired and wireless cameras to either wired or wireless monitors without any issues. If you have any interests in our company’s products, feel free to reach out to us, and we'll identify the ideal solution for your needs.