ET 20 Series, 4 Channel DVR
“HD over Coax”
Digital Video Recorder

 The CR4020ET Digital Video Recorder provides 4 channels of HD real-time recording and liv e display over existing coax cable with no need to rewire. The ET 20 Series DVRs are designed to “plug-and-play” right out of the box and will accept multiple HD over coax standards including HD TVI video signals and SD analog CVBS signals. The simplicity of this system makes the ET 20 Series recorder an ideal choice for retail, banking and small business applications. The ET 20 Series delivers a complete network surveillance solution that meets the demands of user applications from a single location to more complex multi-site locations. The ET 20 Series, utilizing StarNET VMS can support up to 1,024 devices with up to 16 cameras per device or 16,384 cameras. As with all Costar recording platforms, the ET 20 Series system maintains its compatibility to the same StarNET and StarNET Pro.


  • 4 Channel HD real-time recording
  • Up to 5MP Resolution
  • Auto detection of multiple HD over coax standards
  • H.265 codec compression
  • 2x ~ 12x Digital Zoom
  • Up-the-coax camera control
  • Two-way audio communication
  • Video Motion Detection (VMD)Video Obscuration Detection (VOD)
  • Two USB 2.0 ports
  • USB mouse operation
  • Text interface for ATM applications
  • Includes Remote Access System (iRAS) multi-client Video Management Software (VMS) supports Static-IP, ADSL, DHCP, Dynamic-IP
  • Remote access via free smart phone app compatible with Apple® and Android™ devices
Manual CR4020ET_Installation_Manual_v1.2.0.pdf
Photo CR4020ET.jpg
Spec Sheet CR4020ET_Spec_Sheet.pdf
3MP DirectNET Box Camera (No Lens Included)
8MP DirectNET Outdoor IR Bullet Camera 3.3mm Fixed Lens
8 Channel DVR "HD over Coax" Digital Video Recorder
StarNET PRO 64 Channel NVR Server
XDi 20 Series, 4 Channel NVR H.264 and H.265 Linux OS
XDi directNET 25 Series, 32 Channel NVR H.264 and H.265 Linux OS
16 Channel, 8 Amp
Weatherproof Enclosure
16 Channel Public View Monitor Streaming Decoder
24 Port PoE Switch
Discontinued Sun Shield
Discontinued 1 Channel UTP Video Balun
Discontinued 1 Channel, 24VDC, 100W
Discontinued. 1 Channel, 24VDC, 100W Washer Tank
Discontinued Junction Box
Discontinued Junction Box
1.4-3.1 mm
DC Auto-Iris
Wall Mount, 1.5mm wide
Discontinued 5MP 360° DirectNET Outdoor Dome Camera
Discontinued 2MP H.265 DirectNET Bullet Camera Remote Focus Lens IR LEDs, IP66, IK10