Every Presentation.
Perfectly Tracked.
From executive briefings to company-wide presentations, RC821 combines intelligent presenter tracking with reliable Full HD imaging to make every meeting look its best.
NDI® is available as an optional licensed feature and is not included by default.
One Lens.
Crystal-Clear Full HD.
Powered by a 1/2.8-inch 2.07MP HD CMOS sensor, RC821 captures every presentation in crisp Full HD at up to 1080p60. Paired with a 72.5° wide-angle lens and 12× optical zoom, it delivers sharp detail and natural framing for executive meetings, boardrooms, and collaborative spaces.
72.5° Wide-Angle Lens
Cover Every Seat
A wider field of view captures more of the space, making RC821 ideal for meeting rooms, classrooms, and collaborative environments.
12× Optical Zoom
Bring Every Detail Closer
Zoom in on presenters with crisp optical clarity, delivering sharp, detailed images without sacrificing quality.
AI Tracking
Keep Every Presenter in Focus
With in-house ReID technology, RC821 automatically follows presenters and quickly re-locks onto them after temporary interruptions or when they return to the frame, keeping every presentation smooth and uninterrupted.
Never Lose Focus
Smooth AI Tracking
Next-Gen ISP
Smarter Processing. Better Images.
Advanced Color Processing
Delivers accurate color reproduction and natural skin tones for a more realistic viewing experience.
Intelligent Image Optimization
Optimizes exposure, detail, and noise reduction in real time, ensuring consistently clear Full HD video across changing environments.
Multi-Channel HD Output
Stream More. Delay Less.
Output up to four simultaneous Full HD video streams at 1080p60 with ultra-low latency. Whether for live streaming, lecture capture, or professional AV workflows, RC821 delivers smooth, synchronized video across multiple platforms and devices.
Simultaneous HD Output
Multiple Streams
Stream up to four Full HD video outputs at the same time, providing greater flexibility for recording, broadcasting, and AV integration.
Ultra-Low Latency
Real-Time Performance
Minimize delay for smooth, responsive video transmission, ensuring synchronized performance in live production and interactive environments.
Dual NDI® Support
Built for Modern AV Networks
Perfect for IP-based production environments, RC821 supports both Full NDI® and NDI®|HX3 for flexible deployment across a wide range of AV systems.
NDI® is available as an optional licensed feature and is not included by default.
Tech Specs
CAMERA SPEC
Signal format: HDMI, 3G-SDI: 1080p60/59.94/50/30/29.97/25fps, 1080i60/59.94/50fps
Sensor: 1/2.8-inch, CMOS, Effective Pixels: 2.07 MP
Lens: 12x, f=3.5mm ~ 42.3mm, F1.8 ~ F2.8
Digital Zoom: 16x
HFOV: 72.5° ~ 6.9°
VFOV: 44.8° ~ 3.9°
Scanning Mode: Progressive
Minimum Illumination: 0.5Lux @ (F1.8, AGC ON)
Shutter: 1/30s ~ 1/10000s
White Balance: Auto, Manual, Indoor, Outdoor, One-push, VAR
Backlight Compensation: Supported
Digital Noise Reduction: 2D&3D Digital Noise Reduction
SNR: ≥55dB
AUDIO SPEC
Microphone Array Built-in dual microphones, 100Hz to 16kHz frequency response.
Analog Audio Input/Output Support 3.5mm LINE IN; Support 3.5mm LINE OUT
Digital Audio Output Support HDMI, USB, LAN, 3G-SDI etc.
PTZ SPEC
Pan Angle Range ±170°
Tilt Angle Range -30° ~ +90°
Pan Speed Range 1.7° ~ 100°/s
Tilt Speed Range 1.7° ~ 69.9°/s
Image Flip & Freeze Supported
Number of Preset 255
Preset Accuracy 0.1
USB FEATURES
Operating System Windows 7 (only supports UVC1.1 features), Windows 8 and above version, Mac OS X, Linux 2.4.6 and above version, Android needs to include the version of UVC-related drivers
Video Codecs YUY2 / H.264 / MJPEG
Video Format Support a variety of different frame rates and resolution video formats, up to 1080p60 YUY2 output
USB Audio Class 32k Sampling Rate, Support UAC2.0
USB Video Class UVC 1.1~1.5
USB PTZ Control Supported
INPUT/OUTPUT INTERFACE
Video Interface 1 x HDMI: Version 1.3; 1 x 3G-SDI: BNC, 800Mbps-75p, Comply with SMPTE 424M standard
Audio Interface 1 x LINE IN, 3.5mm jack 1 x LINE OUT, 3.5mm jack
Control Interface 1 x RS485: 2pin phoenix port, Max Distance: 1200m, Protocol: VISCA / Pelco-D / Pelco-P; 1 x RS232: 8pin Mini DIN, Max Distance: 30m, Protocol: VISCA / Pelco-D / Pelco-P; 1 x RS232 OUT: 8pin Mini DIN, Max Distance: 30m, Protocol: VISCA only
Power Interface JETA type (DC IN 12V)
NETWORK FEATURES
Video Codecs H.264/MJPEG
Video Stream Main Stream, Sub Stream
Main Stream Resolution 1920x1080, 1280x720, 1024x576 etc.
Sub Stream Resolution 1280x720, 1024x576, 720x576 etc.
Video Bit Rate 32kbps~20480kbps
Bit Rate Control VBR, CBR
Frame Rate 1fps ~ 60fps
Audio Codecs AAC
Audio Bit Rate 96kbps, 128kbps, 256kbps
Protocol FULL NDI*, NDI®|HX3*, TCP/IP, HTTP, RTSP, RTMP(S), ONVIF, DHCP, Multicast, SRT, etc.
* This feature is optional.
GENERIC SPEC
Input Voltage DC 12V / PoE+ (IEEE 802.3at)
Input Current 1.5 A (Max.)
Operating Temperature 0°C ~ 40°C
Storage Temperature -40°C ~ 60°C
Power Consumption 15W (Max.)
Dimension (W × D × H) 142 × 169 × 175mm
Net Weight 1.5kg