Ocean Signal RescueMe PLB1Ocean Signal RescueMe PLB1 Wherever you are, at sea or on land, the rescueME PLB1 provides the reassurance that global emergency services can be alerted by the press of a button. The rescueME PLB1 can be operated with a single hand in even the most challenging situations. A simple spring loaded flap covers the activation button, preventing inadvertent use. rescueME PLB1 works with the only officially recognized worldwide dedicated search and rescue