Ajax Door Protect Plus 8PD

Product Ref: 22978.21.WH1

DoorProtect Plus is a wireless opening, shock, and tilt detector, that operates within the Ajax security system, connecting via the protected Jeweller radio protocol. Is used inside premises. The communication range is up to 1,200 m line of sight. DoorProtect Plus can operate up to 5 years from a pre-installed battery and capable to detect more than 2 millions openings.


  • Reed switch sensing element
  • Alarm signal delivery time of 0.15 s
  • Operates up to 7 years without battery replacement

Technical Specifications

Detector actuation threshold: 1 cm (small magnet) / 2 cm (big magnet)
Sensor resource: 2,000,000 openings
Tilt sensor activation threshold: 5° or more (customizable)
Shock sensitivity: 3 levels
Ignore first shock option: Yes
Tamper protection: Yes
Radio communication protocol: Jeweller
Radio frequency band: 866.0 - 866.5 MHz / 868.0 - 868.6 MHz / 868.7 - 869.2 MHz / 905.0 - 926.5 MHz / 915.85 - 926.5 MHz / 921.0 - 922.0 / MHzDepends on the region of sale.
Compatibility: Operates only with all Ajax hubs, and radio signal range extenders
Maximum RF output power: Up to 20 mW
Modulation of the radio signal: GFSK
Radio signal range: Up to 1,200 m (any obstacles absent)
Socket for connecting wire detectors: Yes, NC
Power supply: 1 battery CR123A, 3 V
Battery life: Up to 5 years
Installation method: Indoors
Protection class: IP50
Operating temperature range: From -10°С to +40°С
Operating humidity: Up to 75%
Dimensions: Ø 20 × 90 mm
Weight: 29 g
Service life: 10 years
Certification: Security Grade 2, Environmental Class II in conformity with the requirements of EN 50131-1, EN 50131-2-6, CLC/TS-50131-2-8, EN 50131-5-3

Complete Set:
DoorProtect Plus
SmartBracket mounting panel
Battery CR123A (pre-installed)
Big magnet
Small magnet
Outside-mounted terminal clamp
Installation kit
Quick Start Guide

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