iMAC

Number of buttons : 4
Panic button : Yes
Frequency band : 868.0 – 868.6 MHz or 868.7 – 869.2 MHz 
Effective radiated power : 6.01 dBm / 3.99 mW (limit 20 mW)
Modulation of the radiosignal : GFSK
Radio signal range : Up to 1,300 m(any obstacles absent)
Power supply : 1 battery CR2032A, 3 V
Service life from the battery : Up to 5 years (depending on the usage frequency)
Operating temperature range : From -25°C to +50°C
Operating humidity : Up to 95%
Overall dimensions : 65 × 37 × 10 mm
Weight : 13 g
Certification : Security Grade 2, Environmental Class III in conformity with the requirements of EN 50131