HDCB4K-28A - 4K Wide Angle HD-CVI Bullet Camera with Built In Audio


4K / 8 Megapixel
2.8mm Fixed Lens
164ft IR Range
Built-in Mic

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Get stunning clarity in your surveillance footage with full, 4K over coax cameras from Optiview. The HDCB4K-28A mini bullet camera comes with a wide angle 2.8mm lens and built in audio.

  • Starlight, 120dB True WDR, 3DNR
  • Max. 4K resolution
  • HD/SD switchable
  • Audio in interface, built-in mic
  • 2.8mm fixed lens
  • Max. IR length 40m, Smart IR
  • IP67, DC12V±30%
Image Sensor1/2″ 8.0 MegaPixel CMOS
Effective Picture (HxV)3840 ×2160
Electronic Shutter1/3 ~ 1/100,000s
Video Frame Rate15fps @ 4K; 30fps @ 4MP
Min. Illumination0.005 Lux @ F1.6 (Color), 30 IRE, 0 Lux (IR On)
Video Output1-channel BNC HD-over-Coax high definition video output
or BNC Analog video output (DIP Switch)
Max. IR LEDs Length164ft, Smart IR
IR On / Off ControlAuto (ICR) / Manual
Day/NightAuto (ICR) / Manual
Noise Reduction2D / 3D
OSD MenuSupport
BLC ModeBLC / HLC / WDR (120db)
Gain ControlAGC
White BalanceAuto / Manual
Smart IRAuto / Manual
Focal Length2.8mm
Angle of ViewH: 110.8°
Lens TypeFixed / Fixed Iris
Focus ControlAuto / Manual
Close Focus Distance70.87″
DORI – Detect276ft
DORI – Observe112ft
DORI – Recognize56ft
DORI – Identify26ft
Pan / Tilt / RotationPan: 0° ~ 360°

Tilt: 0° ~ 70°

Rotation: 0° ~ 360°

Audio1ch & Built-in Mic
Power SupplyDC12V±25%
Power ConsumptionMax 8W
Working Environment-22°F ~ 140°F (-30°C ~ 60°C) / Less than 95% RH (no condensation)
Transmission DistanceOver 984ft (300m) via 75-3 coaxial cable
Ingress Protection & Vandal ResistanceIP67
Dimensions (DxL)7.08″ × 2.76″ × 2.76″
WeightApprox. 1.2 lbs
Warranty1 Year
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Additional Information
Lens Type