Technical specifications Compliance with standards EN 50131 (Grade 2) PD 6662:2017 Communication with control panel and range extenders Jeweller communication technology Frequency bands 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 MHz Maximum effective radiated power (ERP) ≤ 20 mW Depends on the region of sales Compatibility Hubs all Ajax hubs Range extenders all Ajax radio signal range extenders Detection Sensing element electret microphone Glass break detection distance up to 9 m Glass break detection angles horizontal — 180° vertical — N/A Sensitivity 3 levels Adjusted by PRO or user with admin rights in the Ajax app Technical Data Sheet: GlassProtect Jeweller 3 Communication with control panel and range extenders Communication range up to 1,000 m Polling interval 12–300 sec Protection against forgery Device authentication In an open space Adjusted by PRO or user with admin rights in the Ajax app Power supply Battery type 1 × CR123A Battery life up to 7 years Pre-installed Enclosure Colours white, black Dimensions Ø 20 × 90 mm Weight 30 g Detection False alarm protection DualTone Third-party detector connection wired detector with the normally closed (NC) contact type Two-factor glass break verification software algorithm: by low and high frequencies Installation Operating temperature range from –10°С to +40°С Operating humidity up to 75% Ingress protection IP50 Complete set GlassProtect Jeweller 1 × CR123A SmartBracket Installation kit External contact for NC detector Quick Start Guide