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USB and AV endoscope camera modules solve different integration problems.
A USB endoscope camera module is generally the better direction when the final device needs digital video access through a PC, embedded host, tablet, industrial controller, or application software. UVC-based USB designs can use a standardized USB video-device framework, while supported resolution, format, frame rate, software access, cable length, and host compatibility still need to be verified on the target system.
An AV endoscope camera module is more suitable when the device architecture needs a simple analog video path to a compatible display, video decoder, DVR, or dedicated embedded video system and does not require direct USB camera access.
For OEM selection, the right question is therefore not simply “Which interface is better?” It is:
What type of host, video-processing path, software environment, cable architecture, and image requirement does the final device use?
The interface affects much more than the connector at the end of the cable.
It determines how the camera communicates with the host, where image processing happens, what type of software is required, and how easily the module can be integrated into the final device.
Selection Factor | USB Endoscope Camera Module | AV Endoscope Camera Module |
|---|---|---|
Signal type | Digital video | Analog video |
Typical host | PC, embedded host, Android-based terminal, industrial computer | Analog monitor, decoder, DVR, dedicated video board |
Software access | Usually required for image display or processing | May work through a direct analog video path |
Image processing | Often handled partly or fully by the host | Often handled by the camera/video-processing chain before display |
Typical OEM value | Easier software integration and digital image handling | Simpler video architecture for dedicated display systems |
Key validation point | UVC, format, bandwidth, host, software and power | Video standard, decoder compatibility, signal quality and cable path |
USB-IF defines USB Video as a standardized video device class, including support for multiple video payload approaches such as uncompressed and MJPEG formats.
USB is normally the stronger direction when the OEM device needs the camera image to enter a digital host platform.
Typical project requirements include:
Live preview on a PC or embedded computer.
Image capture or recording through application software.
Digital image processing.
Integration with Windows, Linux, Android-based, or other supported host environments.
YUV or MJPEG video output.
Product functions such as snapshot, recording, software LED control, or host-side analysis.
A modular architecture where the camera connects to a separate DSP or interface board.
For example, SincereFull currently has USB product configurations covering compact 3.6–3.9 mm modules, integrated and separated structures, Type-A and Type-C connector options, 720P60 directions, and larger 1080P60 configurations. Relevant product configurations include OV9734, OH01A10, GC030A, OV02C10, and OV2740-based designs.
However, USB does not automatically mean plug-and-play in every OEM device.
The target host must still be tested for:
Supported USB mode.
Video format.
Resolution and frame rate.
Software access.
Power supply.
Cable length.
Connector path.
Long-run stability.
AV can still be useful when the final system does not need a USB camera device or host-side software architecture.
A typical AV route may be suitable when:
The device already uses an analog display or decoder.
The design needs a simple live-video path.
The host does not need to directly control the camera through USB.
Resolution requirements are relatively modest.
Existing equipment is built around PAL or NTSC video.
The project prioritizes system simplicity over advanced host-side image processing.
For example, the current product range includes the SF-C10TV-D3.9, a D3.9 integrated OV6922 AV module with PAL output, and the SF-C3010TV-D4.0, a D4.0 integrated AV module with NTSC output.
These configurations show why AV should not be treated as an obsolete interface by default. In the right OEM architecture, a simple analog path may still be more practical than adding a USB host and software layer.
If the device is built around a PC, embedded computer, tablet, industrial controller, or software application, USB is normally easier to integrate into the digital workflow.
If the device already has an analog decoder or dedicated video display architecture, AV may reduce unnecessary system complexity.
USB is the stronger direction when the product needs:
Image recording.
Snapshot control.
Digital image processing.
AI or computer-vision processing.
Software-based parameter control.
Data transfer into another application.
AV is more suitable when the requirement is primarily:
camera → video path → display.
Do not choose the interface before defining the imaging requirement.
SincereFull USB configurations currently include VGA, 720P, 720P60, 1080P, and 1080P60 directions, while current AV configurations are positioned around lower-resolution analog video architectures.
If the project requires higher digital resolution, higher frame rate, recording, or downstream image processing, USB is normally the more scalable path.
But higher resolution is not automatically better. Diameter, illumination, working distance, cable length, host bandwidth, and processing capacity should be evaluated together.
Cable length should be treated as part of the interface decision.
USB systems can become less tolerant when the total cable path, connector count, video bandwidth, or power demand increases.
AV also requires signal-quality validation over the final cable length.
For either interface, sample approval should use:
The final cable length.
The planned connector.
The target host or decoder.
The real resolution and frame rate.
The intended LED operating condition.
The actual device routing environment.
Do not approve a production design only because a short laboratory cable works.
This is often the fastest way to choose.
Final Device Requirement | More Likely Direction |
Display live video on a dedicated analog screen | AV |
Connect directly to PC software | USB |
Record images through software | USB |
Perform host-side image processing | USB |
Connect to an existing analog decoder | AV |
Use a compact digital inspection terminal | USB |
Maintain an established PAL/NTSC architecture | AV |
D3.9 integrated structure.
OV6922 sensor.
PAL output.
Compact analog video direction.
D4.0 integrated structure.
0.3MP class.
NTSC output.
Suitable for evaluating simple analog OEM video architectures.
Representative configurations include:
D3.6 GC030A integrated USB modules.
D3.6 OV9734 USB modules.
D3.6 OH01A10 720P60 modules.
D3.9 GC030A USB modules.
D3.9 OV9734 USB modules.
D3.9 OV02C10 2MP USB modules.
D5.0 and D6.0 OV2740 1080P60 modules.
A common OEM mistake is to treat the physical connector as the interface specification.
For example:
Type-C does not automatically mean USB 3.0.
A Type-C endoscope camera can still use USB2.0 UVC. The protocol, video mode, board design, cable, and host requirements must be confirmed separately. SincereFull's D3.9 OV9734 Type-C configuration, for example, uses USB2.0 UVC output.
The same principle applies to USB-A.
The connector shape tells you how the device plugs in. It does not by itself define image quality, frame rate, bandwidth, software compatibility, or host performance.
Before deciding between USB and AV, evaluate the following on the real target device:
Confirm the final host or display architecture.
Confirm USB, PAL, or NTSC requirements.
Test the required resolution and frame rate.
Verify cable length and connector routing.
Test the camera with LEDs operating under the intended condition.
Confirm video stability during long-run operation.
Check image quality at the actual working distance.
Verify the required recording or image-processing functions.
Repeat power-on and reconnect tests.
Confirm the exact product configuration before mass-production approval.
No. USB provides more flexibility for digital hosts, software access, recording, and image processing, while AV may be more practical in a simple dedicated analog video architecture. The final host and system workflow should decide the interface.
Not necessarily. AV can still be useful in OEM equipment designed around an analog decoder or direct-display architecture. The value is system simplicity, not whether the technology is new or old.
Not always. UVC-compatible video devices use a standardized USB video-device framework, but the actual operating system, supported formats, controls, and application software still need to be verified.
Cable performance cannot be decided from the interface name alone. Cable construction, signal quality, connectors, power architecture, interference, decoder or host, and target video mode all affect stability. The exact production cable should be tested.
There is no universal answer. The project should be evaluated according to host architecture, required image resolution, software access, cable structure, visualization purpose, device design, and applicable compliance requirements.
Send the application, host device, required resolution and frame rate, cable length, connector, recording requirement, software environment, available installation space, and expected production quantity.
USB and AV are not simply two versions of the same endoscope camera.
They represent two different system architectures.
Choose USB when the device needs digital host integration, software access, recording, or image processing.
Choose AV when the project uses a dedicated analog video chain and values a simple direct-display architecture.
The best interface is the one that reduces unnecessary system complexity while meeting the actual imaging and integration requirements.
For interface selection, provide your target host, required video mode, resolution, frame rate, cable length, connector, software environment, camera diameter, and application. SincereFull can help evaluate whether a USB or AV endoscope camera configuration is the more practical starting point for sample testing.
