Description and principle of operation of U-PROX PIR Cam

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Description and principle of operation of U-PROX PIR Cam

U-PROX PIR Cam is a combined digital, passive infrared, radio-channel detector equipped with a PIR sensor and a camera, designed to secure enclosed residential and industrial spaces.

By detecting changes in the thermal balance of the environment, it signals intrusion into the protected area and sends a photo to the U-PROX monitoring center.

The detector features a specialized lens and is intended for indoor use in areas where pets (cats, dogs, etc.) may be present. It is insensitive to movement of animals weighing up to 20 kg.

Installed indoors only, the U-PROX PIR Cam works exclusively with the U-PROX security system; integration with third-party systems is not supported.

Functional elements of the device

  1. Detector housing
  2. Operating-mode LED indicator
  3. PIR sensor lens
  4. Camera lens
  5. Camera LED flash
  6. Mounting bracket
  7. Tamper switch
  8. Rear cover
  9. Power ON/OFF switch

Features

Motion detector
Activation distance12 m
Viewing angle88°
Target speed0.3 … 3 m/s
Optical noise immunityno less than 6500 Lux
Insensitivity to animalsmovement of animals weighing up to 20 kg
Camera
Working distancedaylight illumination – up to 12 m night (with flash) – up to 8 m
ResolutionCustomizable:            640*480,            320*240,            160*120
Photo transfer timeup to 9 seconds (average quality)
Other
Power3V, two CR123A lithium batteries included
Battery lifeup to 3 years
Radio communicationISM wireless interface with multiple channels
Radio communication parametersITU Region 1 (EU, UA): 868.0 – 868.6 MHz, 100 kHz bandwidth, max. 20 mW, range up to 4 800 m (line of sight)
ITU Region 3 (AU): 916.5 – 917 MHz, 100 kHz bandwidth, max. 20 mW, range up to 4 800 m (line of sight)
Data transmission (radio)Two-way communication, encrypted, with sabotage detection (jamming). Encryption key – 256 bits
Operating temperature range-10°C … +55°C
Overall dimensions of the device130 х 70 х 46.5 mm
Overall dimensions of the device with bracket130 x 70 x 61.6  mm
Body colorwhite, black
Weight210 grams

Power

The device uses two CR123A lithium batteries, allowing it to operate for up to 3 years.

Indication in current mode

The LED indicator shows both sensor activation and data transmission status.

During communication with the monitoring center, the LEDs light in sequence:

  1. Sensor activation – Red
  2. Data transmission:
    • Green – transmission successful
    • Red – transmission failed
  3. Acknowledgment reception:
    • Green – acknowledgment received successfully
    • Red – acknowledgment failed

Steps 2 and 3 may be repeated up to three times (retransmissions at increased power).

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