The Ebyte EID021 Series Professional Burglar Alarm System integrates millimeter-wave radar and passive infrared (PIR) dual-mode detection across models EID021-D321-J, EID021-D221-J, and EID021-D121-J, delivering accurate 4-8 meter motion identification with Type-C USB charging and rainproof IP-rated housing for anti-intrusion security.
| Technical Parameter | EID021-D121-J | EID021-D221-J | EID021-D321-J |
|---|---|---|---|
| System Type | Dual-Mode Professional Burglar Alarm Unit | ||
| Detection Technology | Millimeter-Wave Radar + Passive Infrared (PIR) Sensor Fusion | ||
| Detection Distance Range | 4 meters | 6 meters | 8 meters |
| Power Supply & Interface | Rechargeable Internal Lithium Battery / USB Type-C Charging Port (5V DC) | ||
| Enclosure & Rating | Rainproof / Waterproof Heavy-Duty Industrial ABS Enclosure | ||
| Alarm Mode | Audible High-Decibel Siren and Visual Strobe Light Alarm | ||
| False Alarm Suppression | Dual-signal cross-validation (ignores ambient thermal noise and moving leaves) | ||
Practical Application Scenarios
1. High-Security Bank Vaults and Commercial Safe Protection
Commercial financial safes and bank deposit vaults require zero-false-positive perimeter monitoring. Conventional PIR sensors frequently trigger false alarms from HVAC air movement or temperature fluctuations. By deploying the Ebyte EID021-D321-J (8-meter range version) directly targeting vault doors, its millimeter-wave radar works simultaneously with passive infrared detection to confirm actual human body micro-movements. Connected via relay or dry-contact output to an Ebyte E810/E840 Series Wi-Fi or Cellular DTU gateway, verified security events are instantaneously pushed to SCADA control centers and local alarm sirens.
2. Perimeter Access Gates and Outdoor Yard Intrusion Prevention
Outdoor perimeter monitoring at industrial facilities or residential gates faces harsh weather, falling foliage, and small animal movement. The Ebyte EID021 Series features a rugged, rainproof enclosure built for exposed environments. Utilizing the EID021-D221-J (6-meter range), the sensor cross-validates thermal infrared emission with Doppler radar frequency shifts, ensuring that only actual human intruders trigger the local high-decibel siren while transmitting alarm signals to connected Ebyte Sub-GHz LoRa radio modems.
3. Off-Grid Telecommunications Shelter and Utility Box Monitoring
Remote cellular base stations, power grid transformers, and water pumping stations are vulnerable to metal theft and vandalism. Powered by an internal rechargeable battery with a USB Type-C charging port, the Ebyte EID021-D121-J (4-meter range) provides zero-wiring perimeter defense. Tied to low-power Ebyte MA01 Series Remote I/O units, any physical perimeter breach triggers immediate telemetry alerts back to regional operations centers via Modbus RTU protocols without requiring permanent AC wiring.
FAQ Section
1. How do the model sub-versions (EID021-D121-J, EID021-D221-J, EID021-D321-J) differ in performance and selection?
The main difference across the EID021 model series lies in the effective detection coverage distance. Model EID021-D121-J provides a targeted 4-meter range ideal for compact indoor safes or utility cabinets; EID021-D221-J offers a 6-meter range suited for indoor rooms and residential entryways; while EID021-D321-J delivers an extended 8-meter coverage zone optimized for wide outdoor courtyards, factory corridors, and large vault perimeters.
2. How does the dual-mode millimeter-wave and PIR sensor fusion eliminate false alarms in extreme environments?
Single-technology PIR detectors are sensitive to hot air currents, sunlight, and small animals, whereas standalone microwave sensors can penetrate thin walls and respond to moving trees. The Ebyte EID021 Series employs algorithmic sensor fusion, confirming an alarm condition only when both the millimeter-wave radar detects physical motion Doppler shifts and the PIR sensor detects a human thermal signature simultaneously within the target zone.
3. What installation methods and power options are supported for long-term industrial deployments?
The EID021 system features a compact, rainproof industrial housing with mounting brackets for wall or corner installations. It incorporates a built-in rechargeable battery charged via a standard 5V DC USB Type-C port, allowing flexible, cord-free deployment in remote locations. For continuous 24/7 operation, the unit can remain permanently connected to a standard USB adapter or localized solar charger panel.
