28318.18.NC3 : Ajax Transmitter Jeweller

Ajax Transmitter Jeweller (28318.18.NC3) – Wireless Integration Module for a Single Wired Detector

This compact, professional-grade wireless transmitter enables the integration of one wired third-party sensor into the encrypted Ajax security ecosystem. Ideal for technicians upgrading legacy systems or adding specialized detectors to commercial and residential installations, the Transmitter Jeweller provides robust wireless communication, advanced anti-sabotage features, and extended battery-powered operation.

Product Features

• Integrates one wired detector into any compatible Ajax hub
• Uses Jeweller two-way encrypted RF for reliable alarm, tamper, and event transmission
• Radio range up to 5,200 ft in open space
• Supports NO and NC wired sensor contacts
• Separate terminals for alarm and tamper connections (AATT scheme)
• Provides 3.3 V⎓ / up to 125 mA to power the connected wired device
• 14 detector event types supported, including intrusion, fire, panic, gas, leakage, vibration, temperature events, and more
• Frequency hopping and automatic power control for jamming resistance and battery efficiency
• Supports pulse or bistable modes
• Full remote configuration through Ajax PRO apps
• Compact form factor suitable for placing inside the wired detector’s enclosure