JA-157J Wireless wrist and necklace panic button

The JA-157J panic button can remotely activate an emergency alarm or operate different devices. It is used mainly for the personal calling for help.

Wireless wrist and necklace panic button

JA-157J Wireless wrist and necklace panic button

The button has various uses, it may be worn on the user’s wrist with the use of a wrist strap, worn around the neck or it may be fixed onto a surface with the use of a simple mounting platform. This device is compatible with JA -103K and JA-107K control panels.

Technical specifications

Power lithium battery, type CR 2032 (3.0 V/0.2 Ah)
Typical battery lifetime approx. 3 years (if activated once per day)
Quiescent current consumption 6 μA
Maximum current consumption 40 mA
Communication band 868.1 MHz, Jablotron protocol
Maximum radio-frequency output (ERP) 5 mW
Communication range approx. 300 m (unrestricted area)
Dimensions (without accessories) 41 x 41 x 13 mm
Weight (without accessories) 20 g
Classification security grade 2 /II. Indoor general (in accordance with EN 50131-1)
Operational environment Indoor general
Ingress Protection Code IP 65
Operating temperature range -10 °C to +40 °C
Average operating humidity 75 % RH, without condensation
Can be operated according to ERC REC 70-03
Certification body Trezor Test s.r.o. (No. 3025)
In compliance with ETSI EN 300 220-1,-2, EN 50130-4, EN 55032, EN 62368-1, EN 62311, EN 50581, EN 50131-1, EN 50131-3, EN 50131-5-3, EN 50131-6, EN 50134-2.

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