All products carry a standard 12 month warranty from date of purchase. In addition McMurdo ltd offer additional warranty but require that your product be registered within 90 days of purchase, product registration can be made here: 

www.mcmurdolimited.com/index.php/register-warranty

o    Additional warranty periods are:
    EPIRB:    An additional 4 years after registration (1 + 4 = 5)
    PLB:    An additional 4 years after registration (1 + 4 = 5)
    AIS:    An additional year after registration (1 + 2 = 2)
    SART:    An additional year after registration (1 + 1 = 2)
    VHF:    An additional year after registration (1 + 1 = 2)

•    Our standard warranty terms can be viewed here: