Alfatron 20X-CAM



Alfatron 20X-CAM

The Alfatron ALF-20X-CAM is an HD PTZ camera equipped with a 20X Zoom Lens. This PTZ camera is suitable for medium to large-sized meeting rooms, boardrooms, and conference venues. The Alfatron ALF-20X-Cam is compatible with video meeting software such as Teams and Zoom. The Full HD 1080P camera is equipped for a high-quality video stream and high definition real-time synchronization.

Product  Features

  • 1080P video with a Frame rate up to 60fps
  • 20X Zoom Lens which gives you clear and a fluent image
  • Leading Auto Focus Technology
  • Low Noise and High SNR
  • Quiet PTZ
  • 255 Presets
  • RS232 Cascade Function
  • Multiple Network Protocol – Supports IP VISCA, ONVIF, RTSP, and RTMP
  • Control Protocols – VISCA IP, ONVIF, PELCO-D, PELCO-C and VISCA standard protocols
  • 12V DC or USB Powered
  • Wide Application – Tele Education, Lecture Capture, Webcasting, Video Conferencing, Tele Training, Tele Medicine, Interrogation and Emergency command systems
  • Shipped with a Ceiling or Wall mount bracket




DEFAULT IP address:


Model ALF-20X-CAM
Camera Parameter
Sensor 1/2.8-inch-high quality HD CMOS sensor
Effective Pixels 2.07 MP, 16:9
Video Format HDMI / Video Format

1080P60 / 50 / 30 / 25 / 59.94 / 29.97; 1080I60 / 50 / 59.94; 720P60 / 50 / 30 / 25 / 59.94 / 29.97

Interface Video Format

1920X1080P60 / 50 / 30 / 25; 1280X720P60 / 50 / 30 / 25; 960X540P30; 640X360P30; 640X480P30; 352X288P30; 960X540P30

Optical Zoom 20X


View Angle 6.3°(tele)72.5°(wide)
AV F1.8 – F2.4
Digital Zoom
Minimum Illumination 0.5 Lux (F1.8, AGC ON)
DNR 2D and 3D DNR
White Balance Auto / Manual / One Push / 3000K / 4000K / 5000K / 6500K
Focus Auto / Manual
Aperture Auto / Manual
Electronic Shutter Auto / Manual
WDR OFF / Dynamic level adjustment
Video adjustment Brightness, Colour, Saturation, Contrast, Sharpness, B/W mode, Gamma curve
Input/output Interface
Video Interfaces  ALF-20X-CAM USB 2.0, USB 3.0, HDMI, LAN, RS232(input)
Image code stream  Double streams output simultaneously
Video Compression format  H.264, H.265
Control Signal Interface  RS-232 Ring through RS232 output, RS-485
Control Protocol  VISCA / Pelco-D / Pelco-P; Baud Rate: 115200 / 9600 / 4800 / 2400bps
HD IP Interface  100M IP port(100BASE-TX); Supports IP Visca control protocol
Network Protocol  RTSP / RTMP, ONVIF
Power Interface  HEC3800 outlet (DC12V)
PTZ Parameter 
Pan Rotation ±170°
Tilt Rotation -30°~+90°
Pan Control Speed 0.1 -180°/sec
Tilt Control Speed 0.1 – 80°/sec
Preset Speed Pan: 60°/sec, Tilt: 30°/sec
Preset Number 255 presets (10 presets by the remote controller)
Other Parameter 
Supply Adapter AC110V – AC220V to DC12V/2A
 Input Voltage DC12V±10%
Input Current 1A (Max)
Consumption 12W (Max)
Store Temperature -10℃ – +60℃
Store Humidity 20% – 95%
Working Temperature -10℃ – +50℃
Working Humidity 20% – 80%
Dimension 150mmX150mmX167.5mm
Weight 1.4KG
Working Environment Indoor
Remote Operation (IP) Remote Upgrade, Reboot, and Reset
Accessory Power Supply, RS232 Control Cable, USB 3.0 Cable, USB 2.0 Cable, Remote, Manual, Warranty card



Technical Sheet

User Manual

Streaming Setup Guide

Download Image

Download Image


HTML Flash Player Firmware Download here

The HTML.mrg file needs to be uploaded.

Network Upgrade Instructions for HTML File

1. Connect the camera to the computer on the same LAN; open your browser and input the default
IP address:, The user name: admin and password: admin.

2. Click “configuration” after you have logged in.

3. Click system configuration, then version update, then browse the updated file, and then click to update. After update has been completed, the camera will restart automatically.

4. After the camera has restarted, log in and check whether it has upgraded to the new version.