Dual Technology Motion Detector with Pet Immunity, Form ‘A’ 10.525 GHz alarm contact & tamper switch

Availability: Estimated 6 - 8 Business Days

  • Factory New
Brand: DSC FireAlarm.com Part #: 50979 Categories: , , Manufacturer Part #: LC-103-PIMSKSecondary Part #: LC-103-PIMSK-W


Whether it’s a residential or commercial installation, the LC series of detection devices readies a security system for the unexpected by providing protection for every room, corner and corridor.

The LC-103-PIMSK, LC-104-PIMW and LC-124-PIMW are dual-technology motion detectors that combine passive infrared and microwave detection with pet immunity. The LC-103-PIMSK also has support for anti-masking. The anti-masking feature prevents intruders from defeating the detector by covering its field of view.


Weight 0.30 lbs
Dimensions 1.61 × 2.46 × 4.65 in





  • Anti-masking LC-103-PIMSK
  • Form “A” or “C” alarm contact and tamper switch
  • Digital signal analysis
  • Pet immunity up to 55 lbs (25 kg)
  • Quad Linear Imaging Technology for sharp analysis of body dimensions and differentiation from backgrounds and pets
  • Microwave detection based on Doppler concept
  • Unique microwave motion sensor module with micro-strip patch antenna
  • Advanced ASIC-based electronics
  • Height installation calibration free
  • User-friendly installation with or without swivel-mount bracket


DSC LC Series of Detection Devices PIR and Microwave Detector with Anti-Masking and Pet Immunity
DSC – Data Sheet – 2013
Dual-Tech Motion Sensor (PIR & Microwave) with Pet Immunity & Anti-Mask; LC-103-PIMSK, LC-123-PIMSK
DSC – Installation Instructions