Description
Engineered to eliminate false alarms while maintaining absolute perimeter integrity, the Ajax Transmitter Wired to Wireless Detector Converter (AJA-56211) is a cornerstone of Ajax intrusion detection.
Designed for mission-critical reliability, the Ajax Transmitter Wired to Wireless Detector Converter (AJA-56211) (AJA-56211) leverages EN50131 Grade 2 specs to ensure high-performance operation within any Ajax security network.
Professional Features
- 1 x Ajax Transmitter Wired to Wireless Detector Converter (AJA-56211)
- Battery life – up to 5 years
- Pre-installed CR123A or equivalent battery
- Module for third-party detector integration
- Communication range with central unit – up to 1,600 m in an open space
- Module for third-party detector integration
- Operates only with Hub, Hub Plus, Hub2, Hub2 Plus and ReX
- Alarm input: 1
- Mounting Kit (Screws & Wall Plugs)
- Quick Start Installation Guide
- Sleek, unobtrusive design
- Easy wall or corner mounting
- Requires line-of-sight for best performance
Technical Specifications
| Brand | Ajax |
| Product SKU | AJA-56211 |
| Security Certification | Grade 2 |
| Connectivity Type | Wireless |
| Application | Residential / Commercial |
Note: Ensure compatibility with your Ajax control panel before installation. For technical advice, consult our installation guides.
Expert Analysis
Engineered by Ajax for harsh environments, this motion detector offers superior false-alarm immunity compared to generic alternatives.
Why buy from our professional collection EE?
As an official UK stockist, we provide 24-month warranties on all professional hardware. Our technical team is available to support your installation with expert guidance on system configuration.
Recommended Use Case
Perfect for monitoring high-traffic areas such as hallways, living rooms, or office reception areas. Its Ajax precision ensures minimal false alarms from pets or moving curtains.
What’s in the Box?
- 1 x Ajax Transmitter Wired to Wireless Detector Converter (AJA-56211)
- Battery life – up to 5 years
- Pre-installed CR123A or equivalent battery
- Module for third-party detector integration
- Communication range with central unit – up to 1,600 m in an open space
- Module for third-party detector integration
- Operates only with Hub, Hub Plus, Hub2, Hub2 Plus and ReX
- Alarm input: 1
- Mounting Kit (Screws & Wall Plugs)
- Quick Start Installation Guide
- Sleek, unobtrusive design
- Easy wall or corner mounting
- Requires line-of-sight for best performance
Advanced Technology: Utilizes the proprietary Jeweller radio protocol for secure, long-range communication of up to 2,000 meters in open space.
Aesthetic Finish: Standard
Expert Verdict
- 1 x Ajax Transmitter Wired to Wireless Detector Converter (AJA-56211)
- Battery life – up to 5 years
- Pre-installed CR123A or equivalent battery
- Module for third-party detector integration
- Communication range with central unit – up to 1,600 m in an open space
- Module for third-party detector integration
- Operates only with Hub, Hub Plus, Hub2, Hub2 Plus and ReX
- Alarm input: 1
- Mounting Kit (Screws & Wall Plugs)
- Quick Start Installation Guide
- Sleek, unobtrusive design
- Easy wall or corner mounting
- Requires line-of-sight for best performance
- 1 x Ajax Transmitter Wired to Wireless Detector Converter (AJA-56211)
- Battery life – up to 5 years
- Pre-installed CR123A or equivalent battery
- Module for third-party detector integration
- Communication range with central unit – up to 1,600 m in an open space
- Module for third-party detector integration
- Operates only with Hub, Hub Plus, Hub2, Hub2 Plus and ReX
- Alarm input: 1
- Mounting Kit (Screws & Wall Plugs)
- Quick Start Installation Guide
- Sleek, unobtrusive design
- Easy wall or corner mounting
- Requires line-of-sight for best performance
Explore our wider range of tinned copper security wire to complete your installation.
Integrates seamlessly with security control panels.
Technical Overview
| Brand | Ajax |
| System Type | Wireless |
| Compatibility | Ajax |
| Detection Type | PIR |
| Location | Indoor |






