The Paradox PMD85M is a wireless outdoor dual-optic passive infrared (PIR) motion detector designed to provide reliable perimeter and external intrusion detection for residential and commercial alarm systems. Combining dual-optic motion sensing, advanced pet immunity, secure two-way wireless communication, long battery life, and outdoor-rated construction, the PMD85M delivers dependable motion detection while helping reduce false alarms caused by pets, animals, and changing outdoor conditions.
Designed for seamless integration with compatible Paradox M-Series alarm systems, the PMD85M is ideal for protecting driveways, patios, garages, sheds, side access paths, covered outdoor areas, building perimeters, and other external spaces where reliable motion detection is required.
🔑 Key Features
Wireless outdoor dual-optic PIR motion detector
Advanced pet immunity up to 40kg
Reliable outdoor motion detection
Dual-optic PIR detection technology
Weather-resistant outdoor housing
Impact and temperature-resistant design
Sensitivity and detection energy level adjustment
Replaceable lenses
Temperature sensor
GFSK two-way wireless communication with frequency and encryption hopping
Long-life battery operation
Fast and simple wireless installation
Compatible with Paradox M-Series systems
Firmware updates over-the-air via BlueEye
🛠Technical Specifications
| Feature | Specification |
|---|
| Model | PMD85M |
| Detection Type | Dual-Optic PIR Motion Detection |
| Communication | GFSK Two-Way Wireless with Frequency and Encryption Hopping |
| Coverage | 90° – 11m × 11m |
| Detection Range | Up to 11m |
| Pet Immunity | Up to 40kg |
| Detection Speed | 0.2m/s to 3.5m/s |
| RF Frequency | 868 MHz or 914 MHz, region dependent |
| RF Power | 868 MHz up to +14 dBm / 914 MHz up to +22 dBm, region dependent |
| Transmission Time | <20ms |
| Supervision Time | 3, 10, or 20 minutes |
| Status Indicators | Battery, Temperature, TX/RX Values |
| Battery | 3 × AA Lithium Batteries |
| Battery Life | Up to 6 Years |
| Firmware Updates | Over-the-Air via BlueEye |
| Auto Learn | Yes |
| Operating Temperature | -20°C to 40°C |
| Installation Environment | Outdoor / Indoor |
| Colour | White |
| Dimensions | 8.3 × 17.5 × 7.4 cm |
| Weight | Approx. 0.27 kg |
📦 Package Includes
1 × Paradox PMD85M Motion Detector
3 × AA Lithium Batteries
Mounting Hardware
Installation Documentation
🎯 Best Used For
The Paradox PMD85M is ideal for protecting external areas of homes, apartments, offices, retail stores, warehouses, sheds, garages, and small commercial premises. Its wireless design makes it particularly suitable for new alarm installations, property upgrades, outdoor perimeter protection, and locations where running cabling is difficult or undesirable.
With advanced pet immunity up to 40kg, outdoor-rated construction, and secure two-way wireless communication, the PMD85M is especially useful for monitoring side paths, driveways, patios, external doors, covered walkways, and other high-risk outdoor access points.
🔗 Part of the Zero Dawn Security M-Series Ecosystem
The PMD85M is designed to work with compatible Paradox M-Series alarm systems. For a complete wireless security solution, consider the M25 Wireless Alarm Starter Kit, which includes an M-Series control panel, keypad, remote control, motion detection, door protection, and outdoor siren functionality in a single package.
