The JA-187J panic button can remotely activate an emergency alarm or operate different devices. It is used mainly for the personal calling for help.
The button can be worn like a wrist watch or around the neck on a cord. It is powered by battery.
| Voltage | lithium battery type CR 2032 (3.0 V/0.2 Ah) |
| Typical battery lifetime | approx. 3 years (for 1 daily activation maximum) |
| Communication band | 868.1 MHz, Jablotron protocol |
| Communication range | approx. 50 m (open area) |
| Environment | external protected |
| Housing | IP-44 |
| Dimensions | 46 mm x 42 mm |
| Operational temperature | -25 °C to +50 °C |
| Can be operated according to | ERC REC 70-03 |
| Complies with | ETSI EN 300220, EN 50130-4, EN 55022, EN 60950-1, EN 50134-2 |
