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Compound detection, all-in-one units lead R&D of door/window sensors

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Smart door/window sensor

Makers are combining technologies and functions to enhance reliability and expand applications.


  • Combination technologies: China suppliers employ mixed platforms to improve reliability. New models are equipped with dual-sensor magnetic contacts, or a combination of magnetic and vibration sensors to reduce false alarms and detection errors. PIR and acoustic technologies are available.
  • All-in-one design: The trend for integrated and multifunction models addresses convenience. All-in-one variants incorporate a sensor, a control panel, LED indicator, an alarm siren and a battery. Some have a doorbell or other practical functions for added value.
  • Installation flexibility: Factoring in aesthetics and current home and building architecture, makers are introducing models that suit different types of doors and windows. They are offering split-sensor systems for rolling doors, flushbonading miniature types for sliding windows, and ceiling or wall-mount options for acoustic and PIR models. Recent releases also feature smooth contours instead of rigid housings common in previous selections.
  • Minority line: The door/window sensor segment will continue to occupy a minority position in the anti-intrusion and fire prevention industries.

Door/window sensors

    Smart door/window sensor


    Alarmvip High Tech Ltd
    Model: VIP-902B
    Description: Wireless; 433MHz; 15 to 20mm effective range; 80m transmission distance

    Smart door/window sensor

    Giftshine Electronics Co. Ltd
    Model: PA-27B
    Description: Magnetic contact; 4-digit code alarm activation; 130dB siren

    Smart door/window sensor

    Shenzhen Chitongda Electronic Co. Ltd
    Model: MC-02A
    Description: Wireless; 315±0.5MHz; 80m transmission distance; >20mm gap for trigger

    Smart door/window sensor

    Shenzhen Meian Technology Co. Ltd
    Model: MD-212R
    Description: Wired or wireless; microwave; ASK chip; pet immunity; optical filter

    Smart door/window sensor

    Shenzhen Security Group Corp. Ltd
    Model: SA-DM01-B
    Description: Wireless; 315/433MHz; >15 to 20mm gap for trigger; 5mW RF power output; 12VDC

    Smart door/window sensor

    Shenzhen Wale Security Equipment Co. Ltd
    Model: WL-55
    Description: Rolling magnetic contact; N.O or N.C. switch

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