Sensing element: Electret microphone Break detection distance: Up to 9 m Microphone coverage angle: 180° Up to 1000m in an open space (in a perfect environment) Operating frequencies: 868.0 - 868.6 MHz Battery: CR123A battery, 3 V Battery life: up to 7 years Dimensions: Diameter - 20 mm, Height - 90 mm
Sensing element: Electret microphone Break detection distance: Up to 9 m Microphone coverage angle: 180° Up to 1000m in an open space (in a perfect environment) Operating frequencies: 868.0 - 868.6 MHz Battery: CR123A battery, 3 V Battery life: up to 7 years Dimensions: Diameter - 20 mm, Height - 90 mm
