Photoelectric + Heat
Reliable photoelectric smoke sensing plus fixed-temperature and rate-of-rise heat detection.
Built-in Alarm
An integrated 85 dBA sounder at 3 m and LED give immediate local notification of a fire event.
Up to 10-Year Battery
Low current draw delivers up to ten years of life from two CR123A batteries.
Fully Supervised
Alerts for sensor health, low battery and tamper keep the detector dependable.
What receiver does the RFSM2-A need?
It requires a Bosch B810 RADION receiver (or RFRC-STR2) connected to your Solution 2000/3000/6000 or compatible panel.
Does it detect heat as well as smoke?
Yes — it combines a photoelectric smoke sensor with a fixed-temperature (+57 °C) and rate-of-rise heat sensor.
How loud is the built-in sounder?
85 dBA at 3 m, giving an immediate local warning alongside the LED indicator.
What batteries does it use and how long do they last?
Two CR123A batteries, providing up to ten years of operation.
Is it wired or wireless?
Fully wireless on 433.42 MHz RADION — no cabling to the panel.
Is this a replacement for mains smoke alarms?
No — it is a security-linked wireless detector to add fire monitoring to your Bosch alarm; keep your mandatory mains/interconnected smoke alarms in place.