4K UHD PTZ Conference Camera (S201-21N)

Product Positioning

The SZS201-21N is a professional 4K NDI® PTZ camera built for modern IP-based video production workflows. Featuring 21x optical zoom, AI auto-tracking, HDMI/USB/IP output, and native NDI®|HX2 support, it delivers smooth, high-quality video performance for live streaming, video conferencing, education, worship, and hybrid event applications.

Designed for flexible AV integration, the SZS201-21N supports advanced network protocols, low-latency video transmission, and multiple installation options in a compact and professional form factor.

 

Key Features

    • ✓ 4K Ultra HD Resolution with 8.42MP CMOS Sensor

      ✓ 12x / 21x / 30x Optical Zoom Options

      ✓ AI Auto Human Tracking

      ✓ HDMI / USB 3.0 / LAN Video Output

      ✓ Supports RTSP / RTMP / ONVIF / PoE

      ✓ Optional NDI®|HX2 Support

      ✓ Up to 255 PTZ Presets

      ✓ Smooth PTZ Control via RS232 / RS422 / UVC / IP

      ✓ Horizontal & Vertical Screen Mode Support

      ✓ Multiple Installation Options: Wall / Ceiling / Tripod / Desktop

Applications

Video Conference / Live Streaming / Online Teaching / Church Broadcast / Corporate Meetings / Education / Hybrid Events

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4K Ultra HD Image Quality

Featured 1/2.8-inch 8.42MP CMOS sensor ensures authentic 4K UHD 3840×2160 video with superior clarity and vivid presentation.

4K PTZ Camera with AI Auto Tracking

 

AI Auto Human Tracking

Intelligent AI tracking automatically follows presenters and subjects for hands-free production.

4K PTZ Camera with AI Auto Tracking

 

Multiple Optical Zoom Options

Choose between 12x, 21x, or 30x optical zoom lenses for different room sizes and production requirements.

4K PTZ Camera with 12x / 21x / 30x Optical Zoom

 

Professional Video Outputs

Supports HDMI,  USB 3.0 Type-C, and IP streaming simultaneously.

AI auto tracking PTZ camera

 

Advanced IP Streaming

Supports RTSP, RTMP, SRT, ONVIF, TCP/IP, and optional NDI®|HX2 workflows.

4K conference camera

 

Multiple Installation Methods

Supports wall mounting, ceiling mounting, tripod installation, and desktop placement.

NDI HX2 Compatible 4K PTZ Camera

 

Industry Applications

Corporate Video Conferencing

Ideal for boardrooms, hybrid meetings, enterprise systems.

Education & Lecture Capture

Perfect for classrooms, lecture halls, remote learning.

Live Streaming

For YouTube, Facebook Live, Twitch, corporate broadcast.

Houses of Worship

For sermons, worship teams, live church services.

Broadcast & Production Studios

TV studios, podcast, video production environments.

Government & Public Institutions

Courts, council chambers, training & public systems.

 

PTZ camera for church

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4K UHD PTZ Camera Parameters

 

Ultra-HD video conferencing camera

sensor

1/2.8“, CMOS, effective pixels: 8.42 Megapixel;

Optical magnification

S201-12N

S201-21N

S201-30N

Lens focal length

f=4.14-47.08mm

f = 5.33 ~ 107 mm

f = 5.2 ~ 148.4mm

lens aperture

F1.8-F2.8

F1.65 – F3.8

F1.3-F4.8

Horizontal viewing angle

7.4° -7 2.6° (±2%)

4.2°-59.8° (±2%)

3° – 59° (±2%)

Vertical viewing angle

4.16°-40.83° (±2%)

2.36° – 3 3.63° (±2%)

1. 6 8 ° – 3 3° (±2%)

diagonal

8.4°-80.1° (±2%)

4.88° – 6 6.92° (±2%)

3.54 ° – 65.9 ° (±2%)

shutter

1/25～1/10,000 seconds

White balance

Auto, Shutter Priority

Backlight compensation

support

Digital noise reduction

2D/3D digital noise reduction

Signal-to-noise ratio

≥50dB

Graphic style

Standard , Clear, Beauty, Bright

Image Flip

Horizontal mirror, vertical mirror

AI Intelligence

Support human tracking

Rotation range

Horizontal: -165 ° to +165° Vertical: -30 ° to +90°

Rotation speed

Horizontal: 1.7° to 86.7° /S Vertical: 1.7° to 52.2° /S

PoE power supply

Support (optional)

Network keyboard control

support

PoE

Support (optional)

Not supported yet

Not supported yet

TOF

Support

Preset digits

255

Preset position accuracy

0.1°

Uncompressed professional video output

HDMI: 4KP30, 4KP25 , 1080P60, 1080P50, 1080P30, 1080P25, 720P60, 720P50

3G-SDI： 1080P60、1080P50、1080P30、1080P25、720P60、720P50

 

Input and output interfaces

HDMI output

1 HDMI, version: 1.4b

SDI-3G

1-way，3G-SDI；BNC type，800mVp-p，75Ω，SMPTE 424M standard；

Network interface

1-way, RJ45: 10M/100M/adaptive Ethernet

Audio Interface

1-way, Line In, 3.5mm audio interface

USB interface

1-way, USB 3.0, Type-C

Communication interface

1-way, RS232 In: 8-pin mini DIN, maximum distance 30 meters, VISCA/PELCO-D protocol;

1-way, RS232 Out: 8-pin mini DIN, maximum distance 30 meters, VISCA/PELCO-D protocol;

1-way, RS422 : 4-core Phoenix port, maximum distance 1200 meters, VISCA/PELCO-D protocol;

Power interface

JEITA type (DC IN 12V)

 

Network characteristics

Video Coding Standards

H.265/H.264

Video stream

First stream, second stream

First Road

3840×2160, 1920×1080, 1280×720, etc.

Second Road

704×576, 640×480, 640×360, 576×480, 352×288, 320×240 , 320×180 , etc.

Video bitrate

First channel: 100 bps -40960kbps

Second channel: 100 bps -4096kbps

Bitrate Control

Variable bit rate, fixed bit rate

Frame rate

5fps-30fps

Audio compression standards

AAC , G.711a , G.711u

Audio bitrate

32 kbps, 40 kbps, 48 kbps, 64 kbps, 96kbps, 128kbps

Support Agreement

TCP/IP, HTTP, RTSP, RTMP/RTMPS, Onvif, DHCP, Multicast, GB/T28181 , NDI® | HX2 (optional, requires separate authorization) , etc.

 

USB features

Support system

Windows 7, Windows 8, Windows 10, Windows 11, MacOS, Linux 2.4.6 and above , Kylin, Tongxin , Android requires a version that includes UVC related drivers

Color Space

YUY2 / MJPEG

Video format

H.264, MJPEG: 3840x 2160, 2560×1440 , 1920x 1080, 1600×896 , 1280x 720, 1024×768, 1024×576, 720×576, 960×540, 848×480, 800×600, 800×448, 640×480, 640×360, 480×272, 325×288 , 320×240 , etc.

YUY2: 1920×1080 , 1600×896 , 1280×720 , 1024×768, 1024×576, 720×576, 960×540, 848×480, 800×600, 800×448, 640×480, 640×360, 480×272 , 325×288, 320×240 , etc.

H.264, MJPEG frame rate: 30, 25, 20, 15, 10, 5 fps for 3840×2160 and 2560×1440.

60, 50, 30, 25, 20, 15, 10, 5 fps for other resolutions

YUY2 frame rate: 60, 50, 30, 25, 20, 15, 10, 5 frames

US B video

UVC1.0 , UVC1.1 , UVC1.5

UVC PTZ control

support

 

General Specifications

Input voltage

DC12V/PoE (802.3af)

Input current

1A (max)

Power consumption

< 12W

Storage temperature

-40~60℃

Operating temperature

0~50℃

Operating humidity

0-95% RH

size

224mm x 132mm x 162mm

Body weight

1500g

Body color

Gray

Download User Manual

Click the button below to download the full user manual for the 4K NDI PTZ Camera.

Download PDF Manual

Frequently Asked Questions

Q1: Does the 4K PTZ Camera support NDI®|HX2?
A: Yes, the SZS201-21N 4K UHD PTZ Conference Camera features native NDI®|HX2 support for low-latency, high-quality IP video workflows.

Q2: Which platforms is the 4K UHD PTZ Conference Camera compatible with?
A: The 4K PTZ Camera works with OBS, vMix, Zoom, Microsoft Teams, Skype, VLC, and most major streaming and conferencing platforms.

Q3: Does the 4K PTZ Camera support AI auto-tracking?
A: Yes, the 4K UHD PTZ Conference Camera comes with built-in AI human tracking that automatically follows presenters and speakers smoothly and accurately.

Q4: What video outputs are available for the 4K UHD PTZ Conference Camera?
A: The 4K PTZ Camera supports HDMI, USB 3.0, and IP streaming outputs simultaneously.

Q5: Is PoE supported for the 4K PTZ Camera?
A: Yes, PoE (Power over Ethernet) is available as an optional feature for the 4K UHD PTZ Conference Camera, enabling simplified installation.

Q6: Can I control the 4K UHD PTZ Conference Camera remotely?
A: Yes, the 4K PTZ Camera supports VISCA, RS232, RS422, UVC, and IP remote control protocols for convenient remote operation.

Q7: Is the 4K PTZ Camera suitable for live streaming?
A: Absolutely. The SZS201-21N 4K UHD PTZ Conference Camera is designed for professional live streaming, hybrid events, church production, and online broadcasting.

Q8: What applications is this 4K UHD PTZ Conference Camera best suited for?
A: The 4K PTZ Camera is ideal for video conferencing, education, churches, live streaming, corporate meetings, healthcare, and broadcast production.

Q9: Do you support OEM & ODM customization for the 4K PTZ Camera?
A: Yes, we provide OEM/ODM services for the 4K UHD PTZ Conference Camera, including logo printing, firmware customization, packaging, and feature customization.

Q10: What is your MOQ for the 4K UHD PTZ Conference Camera?
A: Sample orders for the 4K PTZ Camera are supported. Please contact our sales team for bulk order MOQ details.

Q11: What is the lead time for mass production of the 4K PTZ Camera?
A: Standard lead time for the 4K UHD PTZ Conference Camera is typically 7–15 working days depending on order quantity and customization requirements.

Q12: Do you provide technical support for the 4K UHD PTZ Conference Camera?
A: Yes, we provide professional technical support for the 4K PTZ Camera, including firmware updates, user manuals, and integration assistance.

Q13: Can I test a sample of the 4K PTZ Camera before placing a bulk order?
A: Yes, sample units of the 4K UHD PTZ Conference Camera are available for evaluation and compatibility testing.

Q14: Which certifications are available for the 4K UHD PTZ Conference Camera?
A: CE, FCC, and RoHS certifications are available for the 4K PTZ Camera depending on the product configuration.

Q15: Do you support global shipping for the 4K PTZ Camera?
A: Yes, we support worldwide shipping for the 4K UHD PTZ Conference Camera and offer long-term distributor partnerships.

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