Alarm with glass break sensor Glass breaks can be detected by the detector up to nine meters away. The detector ought to be placed up to 90 degrees away from the window or windows. Suggested cable types 4 × 2 × 0.51 is U/UTP cat.5. Copper is the conductor material. Suggested cable types 4 × 0.22 signal cable. Copper is the conductor material. By default, 100 devices can be connected to Hub Hybrid. Energy source 5-30 V, up to 23 mW