Bosch RADION Wireless Smoke Detector (RFSM2-A)

• Reliable photoelectric sensor technology
• Fixed temperature and rate-of-rise heat sensor
•  Built-in sounder and LED indicator for immediate
  notification
• Supervision alerts for sensor health, low battery,
  and tamper conditions
•  Low current draw for up to 10 years battery life

Technical specifications
Electrical
Battery type Panasonic 3V CR123A (2x)
Typical battery life (years) up to 10
Frequency (MHz) 433.42
Mechanical
Dimensions (Ø x D) 115 mm x 59 mm (4.5 in x 2.3 in)
Weight 205 g (0.45 lb)
Environmental
Minimum operating temperature*
(°C / °F)
4.4 °C (+40 °F)
Maximum operating temperature*
(°C / °F)
+55 °C (+131 °F)
Minimum storage temperature*
(°C / °F)
-10 °C (+14 °F)
Maximum storage temperature*
(°C / °F)
+40 °C (+104 °F)
Operating and storage relative
humidity* (%)
0 – 93 % (non-condensing)
Minimum alarm sound 85dBA at 3 m (10 feet)
*Normal operating and storage conditions. Product will perform outside
this range as described in applicable regulatory standards, however
extended exposure to outside this range may affect product life.
Heat Alarm
Fixed (°C / °F) +57 °C +/- 2 °C (+135 °F +/- 4 °F)
Rate-of-rise (°C / °F) 8.3 °C > +40 °C (15 °F > +104 °F)