Type 4 Autonomous Radio alarm WITHOUT repeater

Reference 21241 is a type 4 radio alarm control unit that operates as a master or as a peripheral (slave).

It incorporates a sound and light device and a manual trigger. 

One control unit can pair up to 32 devices.

Features :

- it receives alarms from radio manual triggers 21246 (type 4 alarm) or 21207 (PPMS alarm) ; 

- it activates radio sound and/or light emitters (flashing lights) 31247, 31248 and 21244 ;

- receive alarms from the input of 31302 radio input/output modules and activate their relays.