28304.02.WH3 : Professional Indoor PIR & K-Band Microwave Motion Detector

Ajax MotionProtect Plus (9NA) – Professional Indoor PIR & K-Band Microwave Motion Detector

A high-reliability dual-technology motion detector engineered for demanding indoor security applications. Ajax MotionProtect Plus (9NA) combines a precision PIR sensor with a 24 GHz K-band microwave module, providing strong immunity against thermal interference and challenging indoor environments. Designed for professional installations in CCTV, intrusion detection, access control, and integrated alarm ecosystems.

Product Features

• Wireless dual-technology motion detector using Jeweller secure RF protocol
• PIR sensor paired with K-band microwave detection for enhanced false-alarm immunity
• Up to 39 ft motion detection distance (installed at 7.9 ft)
• 88.5° horizontal detection angle
• Motion speed detection from 1 to 6.6 ft/s
• Pet immunity up to 44 lb / 1.6 ft height
• Advanced anti-tamper notification and device authentication
• Dynamic block encryption with frequency hopping for anti-jamming protection
• Up to 3,900 ft communication range in open space
• Fully remote configuration via Ajax PRO apps
• Temperature compensation for consistent detection (14 °F to 104 °F)
• Powered by 1 × CR123A battery with up to 5-year life
• Indoor-rated enclosure with IP50 protection