KX12DT-WE Dual-Technology Wireless Motion Detector, 12 m, EN50131 Grade 2

Introduction to the KX12DT-WE Dual-Technology Wireless Motion Detector

The KX12DT-WE Dual-Technology Wireless Motion Detector is a compact, internal volumetric sensor designed for homeowners, installers and light-commercial environments. Combining passive infrared (PIR) and microwave detection into a single device, it requires both technologies to trigger before signalling an alarm. The result is a detector that significantly reduces false alarms in hostile or busy environments while delivering reliable coverage up to 12 m and an 856 field of view. With two-way Enforcer wireless communications, diagnostic indicators for installers and EN50131 Grade 2 certification, the KX12DT-WE balances performance and installation flexibility at a suggested retail price of A389.00.

Key features at a glance

• Dual-technology detection0 PIR + microwave (both must trip)
• Volumetric coverage0 up to 12 m range with an 856 lens (60 zones / 7 planes)
• Pet immunity0 pet-immune zones up to 20 kg
• Two-way Enforcer wireless0 868 MHz, 128-bit encryption, jamming detection, Signal Strength Indicator (SSI), ITDC and One-Push-To-Learn enrolment
• Installer aids0 separate LEDs for microwave, PIR, alarm, signal, battery and tamper; three microwave frequency options
• Power0 2 x CR123A (3V) with manufacturer-stated minimum two-year battery life
• Certifications & warranty0 EN50131 Grade 2, CE marked; 2-year manufacturer warranty

Detailed specifications and benefits

The KX12DT-WE is engineered to provide dependable intruder detection while minimising nuisance alarms. Below are the technical specifications followed by the practical benefits they deliver:

• Model:KX12DT-WE (also listed as KX12DT3-WE)
• Detection type:Dual (PIR + microwave)
• Coverage / range:Volumetric up to 12 m, 856
• Lens:60 zones / 7 planes volumetric lens
• Optimum mounting height:1.8 62.4 m
• Pet immunity:Up to 20 kg (pet-immune zones ~10 m as per datasheet)
• Microwave options:Three frequency options to avoid cross-talk
• Wireless protocol:Enforcer two-way (868 MHz)
• Encryption:128-bit
• Wireless features:Jamming detection, SSI, ITDC, One-Push-To-Learn
• Power:2 × CR123A (3V)
• Battery life:Minimum 2 years (manufacturer stated)
• Tamper:Front & rear tamper
• LED indicators:Separate LEDs for microwave, PIR, alarm, signal, battery, tamper
• Dimensions:Approx. 117 mm × 69 mm
• Certifications:EN50131 Grade 2; CE
• Warranty:2 years (manufacturer)

• Reduced false alarms:Requiring both PIR and microwave to trip greatly reduces false alarms caused by drafts, temperature changes, small moving objects or electrical interference. This is particularly useful in busy rooms or environments with unpredictable conditions.
• Improved security reliability:The two-way Enforcer wireless protocol with 128-bit encryption and jamming detection provides secure, resilient communications between the detector and the control panel, helping ensure alarm signals are transmitted and trusted.
• Installation confidence:Installers benefit from separate LED indicators (PIR/microwave/alarm/signal/battery/tamper) for quick diagnostics, plus three microwave frequency settings to avoid cross-talk between closely installed devices.
• Pet-friendly coverage:Pet-immune zones and careful lens design support installations in homes with pets up to 20 kg, limiting nuisance activations from common household animals.
• Long battery life:Using two CR123A cells and an efficient design, the detector offers a minimum of two years of battery life under normal use, lowering maintenance frequency.
• Standards compliance:EN50131 Grade 2 certification indicates suitability for domestic and light-commercial applications where a moderate level of risk is anticipated.

Use cases and ideal scenarios

The KX12DT-WE excels in situations that demand dependable volumetric detection without frequent false alarms. Typical use cases include:

• Lounges and living rooms where pets and fans or heating can cause false triggers on single-tech detectors. The dual-technology approach filters out many of these nuisance causes while still detecting genuine intruders.
• Hallways and stairwells where a single detector needs to cover a long approach path (the 12 m volumetric range and 856 coverage are ideal).

• Shop floors and small back offices that require volumetric coverage with tamper protection and secure wireless signalling. EN50131 Grade 2 certification makes the device appropriate for these lower-to-medium risk commercial environments.
• Storage or stock areas where environmental changes (open doors, employee movement, rolling cages) might otherwise create false alarms on PIR-only sensors.

• Close mounting of multiple detectors is made easier by three microwave frequencies and two-way wireless features like Signal Strength Indicator (SSI) to tune placements and avoid cross-talk or interference.

How the KX12DT-WE compares with other detector types

When choosing a motion detector, it helps to understand how dual-technology units compare to single-tech sensors and other dual-tech offerings:

• Pros:Often less expensive, simple to deploy and effective in many controlled indoor environments.
• Cons:Susceptible to false alarms from drafts, radiators, curtains, strong sunlight or sudden temperature shifts. Not ideal where pets or frequent benign environmental changes occur.
• KX12DT-WE advantage:The requirement for both PIR and microwave to trip reduces nuisance alarms while maintaining detection sensitivity.

• Pros:Can detect motion through certain obstacles and in low-visibility conditions.
• Cons:More prone to environmental false alarms (moving curtains, metallic objects) and can create cross-talk issues when multiple units are close together unless frequencies are managed.
• KX12DT-WE advantage:By combining PIR with microwave and offering selectable microwave frequencies, the device mitigates these weaknesses.

• Many competitors also offer dual-technology models. The KX12DT-WE stands out with its two-way Enforcer wireless protocol, 128-bit encryption, SSI and ITDC features, plus installation-focused LEDs and frequency options. These features make it particularly installer-friendly and well-suited to modern wireless alarm systems.

Customer feedback and installer observations

While individual experiences vary, typical feedback from homeowners, small-business operators and installers highlights a consistent set of advantages and common observations:

• Homeowner comment:"We installed this in the lounge because our dog triggers the old sensors. Since switching, we've had reliable protection with no false alarms from the pet."
• Small retail owner:"The volumetric coverage works well across the shop floor, and the tamper protection gives extra peace of mind when we're closed."
• Installer feedback:"The separate LEDs and One-Push-To-Learn enrolment save time during setup. Being able to choose the microwave frequency avoids cross-talk in apartment blocks."

Conclusion: Why the KX12DT-WE is a strong choice

The KX12DT-WE Dual-Technology Wireless Motion Detector offers a compelling mix of reliability, false-alarm resilience and installer-friendly features. Its dual PIR and microwave detection reduces nuisance alarms common to single-tech sensors, while the 12 m volumetric coverage and pet-immune zones make it well-suited to homes and light-commercial sites. Two-way Enforcer wireless communications, 128-bit encryption and jamming detection provide robust signalling and security, and practical installer aids (LED diagnostics, frequency options, ITDC and One-Push-To-Learn) make installation and commissioning straightforward.

Backed by EN50131 Grade 2 certification and a two-year manufacturer warranty, the KX12DT-WE is an attractive option for anyone seeking dependable internal motion detection with modern wireless capabilities. Whether protecting a family home with pets or a small retail outlet, this detector delivers a balance of sensitivity, nuisance-immunity and secure communications that meets the needs of many common alarm system applications.