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Product comparison · 2 motion detectors

D-Link DCH-B122 motion detector Wireless White vs Dahua Technology PFR4K-E50 Wired Ceiling/wall White

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  • 8specifications compared
  • 7differ
  • 1identical
  • 26known for one product only

Key differences

The Dahua Technology PFR4K-E50 Wired Ceiling/wall White has 21,600 MHz more operating frequency than the D-Link DCH-B122 motion detector Wireless White (24000 MHz vs 2400 MHz). The Dahua Technology PFR4K-E50 Wired Ceiling/wall White has 106.9 mm more width than the D-Link DCH-B122 motion detector Wireless White (157.9 mm vs 51 mm). The Dahua Technology PFR4K-E50 Wired Ceiling/wall White has 16.1 mm more depth than the D-Link DCH-B122 motion detector Wireless White (67.1 mm vs 51 mm). Connectivity technology: Wireless on the D-Link DCH-B122 motion detector Wireless White, Wired on the Dahua Technology PFR4K-E50 Wired Ceiling/wall White. Power source type: Battery on the D-Link DCH-B122 motion detector Wireless White, AC, DC on the Dahua Technology PFR4K-E50 Wired Ceiling/wall White.

  • Connectivity technology
    • Wireless
    • Wired
  • Operating frequency
    • 2400 MHz
    • 24000 MHz
  • Power source type
    • Battery
    • AC, DC
  • Width
    • 51 mm
    • 157.9 mm
  • Depth
    • 51 mm
    • 67.1 mm
  • Height
    • 34.5 mm
    • 204.9 mm
  • Weight
    • 37.7 g
    • 1.7 kg

Side by side

Differences highlightedShow differences only
34 specifications
A

D-Link

DCH-B122 motion detector Wireless White

Model DCH-B122

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B

Dahua Technology

PFR4K-E50 Wired Ceiling/wall White

Model PFR4K-E50

View product
Featuresidentical
Mounting typeKnown for oneCeiling/wall
PlacementKnown for oneIndoor, Outdoor
Product colourWhiteWhite
Detection angleKnown for one36°
International Protection (IP) codeKnown for oneIP67
ZigBeeKnown for oneYes
Security algorithmsKnown for one128-bit AES
CertificationKnown for oneFCC, IC, CE, RCM, Zigbee 3.0
Security2 differ
Connectivity technologyDiffersWirelessWired
Transmit powerKnown for one20 dBmW
Detection distanceKnown for one50 m
Operating frequencyDiffers2400 MHz24000 MHz
Transmission distanceKnown for one40 m
Power1 differ
Power source typeDiffersBatteryAC, DC
Input voltageKnown for one12 V
Power consumption (standby)Known for one12 W
Power consumption (typical)Known for one14 W
Battery lifeKnown for one2 year(s)
Battery typeKnown for oneCR2450
Number of batteries supportedKnown for one1
Operational conditionsidentical
Operating relative humidity (H-H)Known for one0 - 95%
Operating temperature (T-T)Known for one-40 - 70 °C
Storage relative humidity (H-H)Known for one0 - 95%
Storage temperature (T-T)Known for one-40 - 80 °C
Weight & dimensions4 differ
WidthDiffers51 mm157.9 mm
DepthDiffers51 mm67.1 mm
HeightDiffers34.5 mm204.9 mm
WeightDiffers37.7 g1.7 kg
Packaging dataidentical
Package widthKnown for one171 mm
Package depthKnown for one208 mm
Package heightKnown for one256 mm
Package weightKnown for one2.2 kg
Quantity per packKnown for one1 pc(s)
Batteryidentical
Battery technologyKnown for oneLithium

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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