28305.62.BL3 : Ajax MultiTransmitter.

Ajax MultiTransmitter (9NA) – Professional 18-Zone Wired-to-Wireless Integration Module

The Ajax MultiTransmitter (9NA) is a high-capacity wireless integration module designed to modernize existing wired alarm systems by bringing them into the Ajax security ecosystem. Supporting up to 18 wired zones, multiple EOL configurations, and secure Jeweller radio communication up to 6,500 ft, it is engineered for professional-grade retrofits, hybrid projects, and advanced security integrations.

Product Features

• Integrates up to 18 wired zones into a unified Ajax wireless environment.
• Supports NC, NO, EOL, and on newer firmware 2EOL/3EOL supervision.
• Automatic EOL value detection via Ajax PRO apps for simplified commissioning.
• Jeweller encrypted two-way communication with anti-sabotage and frequency hopping.
• Extended radio range up to 6,500 ft in open space for large commercial sites.
• Detects wired input faults instantly, including cuts, shorts, masking, vibration, and environmental alarm conditions.
• Compatible with standard intrusion, fire, gas, leak, panic, and seismic sensors.
• Built-in 100–240 V AC power supply and support for a 12 V backup battery up to 7 Ah.
• Provides up to 1 A of auxiliary power for connected third-party devices, including a dedicated line for fire detectors.
• Adjustable pulse or bistable operation modes per zone.
• Fully configured and monitored remotely via Ajax apps.