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White Dual Frequency Opening Detector for Doors and Windows Wireless
Atral/Logisty opening detector model L3261I , compatible with control units of the Logisty 2 line with dual frequency technology. Device composed of a transmitter unit with reed sensor and magnet, ideal for protecting doors and windows in domestic or commercial security systems.
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Radio Technology : Dual Frequency (dual-band), guaranteed reliability and less interference
Integrated magnetic contact : opening detection via built-in reed sensor
Power supply : BATLi28 3.6 V / 2 Ah lithium battery, with approximately 3 years of autonomy in domestic use
Compatibility : exclusive for Logisty 2 control units (e.g. L2303, L3305, L3310), with periodic signal supervision
Usage environment : indoor, –5°C to +55°C
Installation : wall mounting, transmitter unit on the fixed frame and magnet on the door, max. operating distance 5 mm
📦 Technical specifications summary
| Voice | Detail |
|---|---|
| Model | L3261I |
| Radio technology | Dual-band Dual Frequency |
| Opening sensor | Integrated reed contact |
| Drums | BATLi28, 3.6V / 2Ah |
| Autonomy | ~3 years (standard home use) |
| Operating range temp. | from –5 °C to +55 °C |
| Assembly | Fixed surface (transmitter) + door (magnet) |
| Sensor-magnet distance | ≤ 5mm |
| Supervision | Periodic signal to the power plant |
🎯 Benefits
Reliability without interference
Dual frequency ensures stability and robustness in radio transmission.Perfect integration
Specially designed for Hager/Atral/Daitem Logisty 2 control units.High autonomy
Up to three years without needing to replace the battery.Quick installation
Ready to use, without wiring, with a clean and discreet fixing.Active supervision
The control unit periodically checks the detector status, reducing the risk of invisible malfunctions.
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Atral/Logisty opening detector model L3261I , compatible with control units of the Logisty 2 line with dual frequency technology. Device composed of a transmitter unit with reed sensor and magnet, ideal for protecting doors and windows in domestic or commercial security systems.