Home Electronics Security & Surveillance Security SensorsWireless window and door sensors with antenna

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Wireless window and door sensors with antenna

₦ 22,000

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+ shipping from ₦ 1,500 to LEKKI-AJAH (SANGOTEDO)

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Delivery Fees ₦ 1,500

Ready for pickup between 22 September and 23 September if you place your order within the next 16hrs 39mins

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Delivery Fees ₦ 2,500

Ready for delivery between 22 September and 23 September if you place your order within the next 16hrs 39mins

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Free return within 7 days for ALL eligible itemsDetails

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SELITAL TECHNOLOGY

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Product details

Wireless window and door sensors with antenna are components of security systems that detect the opening or closing of windows and doors and communicate wirelessly with a control panel or hub. The addition of an antenna improves their wireless communication range and reliability.

How They Work:

1. Sensor Pair: Typically includes two parts:

A magnetic sensor (attached to the frame)

A magnet (attached to the window/door itself)

2. Magnetic Trigger: When the window or door opens, the magnet moves away from the sensor, breaking the magnetic field and triggering an alert.

3. Wireless Signal: The sensor sends a signal to the control panel using RF (radio frequency). This can be 433 MHz, 868 MHz, Zigbee, Z-Wave, Wi-Fi, or other protocols.

4. Antenna: Enhances signal strength and range. Some sensors have:

Built-in antennas (internal, not visible)

External antennas (visible, sometimes adjustable) for longer-range or more robust signal

Common Features:

Battery-powered (no wiring needed)

Tamper protection

LED indicators

Low-battery alerts

Long-range transmission