Vadzo Imaging Introduces Wave-821CRS: 8.3MP AR0821 4K HDR Wi-Fi Camera with Dual-Band Wireless Connectivity

Sensor and Camera Overview

The Wave-821CRS is built on the onsemi AR0821, a 1/1.7-inch CMOS digital image sensor with a 3848 x 2168 active pixel array and 2.1 µm backside illuminated pixels using onsemi’s DR-Pix dual conversion gain pixel technology, positioning the Wave-821CRS as an Onsemi AR0821 WiFi Camera built around a native color Bayer filter array. Conventional HDR imaging typically stitches together multiple exposures captured at different shutter times, a method that introduces motion artifacts and ghosting whenever a subject moves between exposures, a persistent problem for machine vision systems tracking people, vehicles, or parts on a line. DR-Pix addresses this at the pixel level by switching between a high and low conversion gain within a single readout, letting the AR0821 capture full dynamic range from one exposure rather than several. The result is ≥140 dB embedded HDR (4-exposure eHDR mode) with no motion artifacts, which is why the Wave-821CRS operates as an 8MP HDR WiFi Camera, resolving bright highlights and dark shadow detail without the temporal smearing that multi-exposure HDR wireless camera module designs introduce. The sensor also supports 2×2 binning, scaling, and mono summing modes that improve low-light sensitivity, along with in-pixel windowing for flexible region-of-interest configuration.

Key specs: 8.3MP AR0821 CMOS Sensor (1/1.7 inch, 2.1 µm DR-Pix BSI pixel) | Rolling Shutter | Color | 140 plus dB Embedded HDR | Dual Band Wi-Fi (802.11a/b/g/n/ac), Bluetooth BT 5.0 on request | S-Mount (M12) with Electromechanical IR-Cut Filter | 105 degree DFOV | PoE IEEE 802.3af | -30C to +85C Operating Temperature | 38mm x 38mm, Three Boards | Windows, Linux, Android | ONVIF Profile S/T/G, RoHS 3, REACH

Key Capabilities of the AR0821 4K HDR Wi-Fi Camera

Embedded HDR Through In-Pixel Dual Conversion Gain: Machine vision and surveillance deployments that face both direct sunlight and deep shadow in the same field of view have historically needed either a multi-exposure HDR wireless camera module that risks ghosting on moving subjects, or a fixed exposure camera that clips highlights or crushes shadows entirely. The Wave-821CRS resolves this trade-off with the AR0821’s DR-Pix technology, performing dual conversion gain switching inside every pixel during a single exposure rather than across sequential frames. This gives the Wave-821CRS greater than 140 dB of dynamic range while remaining a true 4K HDR Wireless Camera with no frame blending artifacts, an important distinction for any AR0821 HDR Wi-Fi Camera intended for scenes with moving people, vehicles, or conveyor parts. Three exposure, four exposure, and line interleaved HDR modes are all available, giving integrators control over dynamic range depth versus frame rate.

Dual Band Wi-Fi Connectivity and ONVIF Compliance: As a 4K Dual-Band Wi-Fi Camera, the Wave-821CRS supports IEEE 802.11a/b/g/n/ac across the 2.4 GHz and 5 GHz spectrum. The 5 GHz band reduces co-channel interference in facilities running dense wireless infrastructure, while 2.4 GHz extends effective range through walls and across larger open areas, giving integrators a single 8MP Dual Band Camera platform tuned to the RF environment of each site rather than requiring separate hardware per band. Full ONVIF Profile S, T, and G compliance means the Wave-821CRS functions as a standards-based 8MP ONVIF Color WiFi Camera that plugs into existing video management systems and network video recorders without custom drivers, an advantage for OEM WiFi Camera Module buyers replacing legacy analog or wired infrastructure incrementally.

IEEE 1588 PTP Synchronization for Multi-Camera Systems: Wireless camera networks that rely on multiple units covering overlapping fields of view need a frame-level timing agreement to make downstream analytics, stitching, or triangulation meaningful. Without synchronization, two Wi-Fi camera products observing the same event can report timestamps that drift by tens of milliseconds, enough to break motion correlation across views. The Wave-821CRS addresses this with IEEE 1588 Precision Time Protocol support, letting multiple units converge on a shared clock reference for frame-accurate multi-camera coordination, positioning the Wave-821CRS as more than a Onsemi 8MP Wireless Camera for single-point capture and instead as infrastructure for a distributed, time-correlated vision network across a site.

GPIO Triggering for Vision Integration: General-purpose input/output pins on the Wave-821CRS support external trigger and synchronization signaling, turning the camera into a GPIO Trigger Wi-Fi Camera that can be fired from a PLC, sensor, or another unit on the network rather than relying on continuous free-running capture. This matters for inspection and access control scenarios where a frame must be captured at a precise mechanical or event-driven moment. As a WiFi GPIO Trigger Camera, the Wave-821CRS also supports output signaling for downstream automation, functioning as a GPIO Enabled Vision Camera in cells where lighting strobes or alarms need to fire in lockstep with capture. This makes the Wave-821CRS a practical AR0821 GPIO Camera for retrofit installations where running a dedicated trigger cable is impractical.

Power over Ethernet and Deployment Flexibility: The Wave-821CRS receives power over the same Ethernet cable used for network configuration and firmware management, compliant with IEEE 802.3af operating at 36 to 57V, even though image data itself travels over the Wi-Fi radio. This hybrid approach lets integrators run a single cable to each mounting point for power while keeping the camera untethered for data, a useful combination for a Dual Band WiFi Module deployed on poles, gantries or mobile fixtures where routing a full data cable is the harder constraint. The -30°C to +85°C operating range supports both indoor industrial floors and outdoor infrastructure through seasonal temperature swings.

Product Specifications

“Wireless HDR imaging has always forced a compromise between dynamic range accuracy and clean motion capture. With the Wave-821CRS we wanted to remove that compromise using the AR0821’s in-pixel dual conversion gain rather than software stitching, so integrators get true single-exposure HDR without ghosting on moving subjects. Pair that with dual-band Wi-Fi, PTP synchronization for multi-camera networks and GPIO triggering, and you have a camera product that lets OEMs deploy accurate, time-correlated vision networks without running dedicated data cable to every mounting point.” – Alwin Vincent, Product Manager at Vadzo Imaging.

Applications

Security and Video Surveillance: Perimeter security, retail loss prevention and building access control all depend on resolving detail in scenes where doorways, parking areas or building entries sit in shadow against bright exterior light, exactly the condition that defeats single-exposure fixed-range imaging. The Wave-821CRS’s embedded HDR addresses this directly, functioning as a Wireless Security Camera Module that captures usable detail across both the shadowed interior and sunlit exterior of an entryway in one frame. As a Surveillance Camera, the Wave-821CRS also benefits from ONVIF compliance Camera for direct integration into existing video management platforms, and GPIO triggering allows the camera to be fired in coordination with door contacts or motion sensors rather than running continuously.

Smart City and Multi Camera Infrastructure: Smart City camera networks across intersections, transit corridors and public infrastructure require wireless flexibility for installation without new cable runs, and frame-accurate timing across units observing the same intersection from different angles. The Wave-821CRS’s IEEE 1588 PTP support gives smart city integrators 4K Wireless Camera platform where multiple units can be correlated for downstream analytics such as vehicle tracking across camera boundaries, while dual-band Wi-Fi keeps installation practical across sites where trenching new Ethernet runs is costly.

Industrial Automation, Robotics and Machine Vision: Automated guided vehicles, autonomous mobile robots and fixed inspection stations on a production floor frequently operate under mixed lighting from overhead fixtures, natural light through bay doors and reflective metal surfaces, conditions where a WiFi Machine Vision Camera with embedded HDR avoids the blown highlights that defeat part inspection and barcode reading. As a Dual Band Industrial Camera, the Wave-821CRS’s untethered connectivity suits AGV and AMR platforms where a wired data connection is not physically possible, while GPIO triggering supports synchronized capture with conveyor encoders or robotic arm cycles. For fixed inspection points, the same sensor functions as a Wireless Inspection Camera capable of resolving both engraved detail and glare-prone reflective surfaces in a single pass, making the Wave-821CRS a practical AR0821 Wireless Camera for teams standardizing on one sensor platform across mobile and fixed vision points on the same line.

Vadzo NXT Software and SDK Support

The Wave-821CRS can be evaluated immediately using Vadzo’s NXT software for IP configuration and streaming, giving engineers a working 4K Wireless Camera on the network within minutes of power up. For teams building custom applications, the Vadzo NXT SDK exposes advanced exposure management, HDR mode selection between 3-exposure, 4-exposure, and line interleaved modes, and image tuning APIs across Windows, Linux, and Android, so the Wave-821CRS functions as a genuinely Plug and Play WiFi Camera for evaluation while still offering the programmatic depth that production integrations require. This tiered access, from immediate NXT software streaming through to full SDK control, is designed to shorten the path from bench evaluation to deployed OEM WiFi Camera Module without requiring a rebuild of the control stack partway through a project.

Frequently Asked Questions

Q: What is a dual band Wi-Fi camera and why does it matter for industrial deployments?

Availability

The Wave-821CRS, an 8.3MP AR0821 4K Wireless Camera with embedded HDR, is available for evaluation and production orders. Evaluation kits include the camera product, M12 lens assembly, Ethernet cable, and Vadzo NXT SDK documentation with no minimum order requirement. Visit the 4K HDR Wi-Fi Camera product page or contact Vadzo at support@vadzoimaging.com

About Vadzo Imaging