Instructions

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7. Technical specifications
General information
Nominal voltage: 4.5 V (DC)
Battery type: 3 x 1.5 V type AAA (micro)
Battery life: approx. 2 years
Permissible ambient
temperature range:
0°C to < 40°C
Protection class: II (only for use in dry rooms)
Dimensions (W x L x H): 165 x 48 x 22 mm
DuoFern radio technology
Transmission frequency: 434.5 MHz
Transmission power: max. 10 mW
Range:
In buildings: approx. 30 m *
Outdoors: approx. 100 m
* Depending on the building structure
Maximum number of groups: 9
Maximum number of devices
per group:
21
Maximum number of
DuoFern devices:
45