Approved electronic whistle complete with loudspeaker and electronic controller with built-in frequency generator 675Hz for manual tone signalling and automatic or customized fog signal.
New ultrasonic heating system for improved acoustic membrane performance.
Meets COLREG 1972 IMO class IV international regulations with RINA, LLOYD’S REGISTER MCA, BUREAU VERITAS and NMMA homologations.
Includes mounting kit.
dB (1/3 OCT.) (1m): 122
Dimensions mm: 249x237