JA-183M is a small wireless magnetic switch, for doors and windows, which detects when opened. It works by removing a magnet from the transmitter when the door or window is opened. When the detector is activated, it can either start an entry time or send an alarm immediately.
Note that the detector has no input for external devices
Supply voltage | Lithium type CR-123 (3.0V) |
Battery life | ca. 3 years for 20 daily activations |
Frequency | 868 MHz |
Range | ca. 300 m - open terrain |
Dimensions house | 75 x 31 x 23 mm |
Dimensions magnet housing | 56 x 16 x 15 mm |
Dimensions magnet | 10 x 4 mm |
Operating temperature | -10 ° C to + 40 ° C |
Installation environment | Indoors |