AquaLink Personal Locator Beacon (PLB).
A unique registered electronic distress signaling package.
Features an LCD screen that shows your GPS coordinates.
Uses GPS positioning, 406 MHz and 121.5 MHz homing signals to accurately broadcast your position to rescuers.
Small and lightweight, can be carried on your person.
Non-HazMat battery.
Size: 2-1/4" X 5-5/8" X 1-1/2".

Ocean Signal RescueMe GPS-enabled Personal Locator Beacon. 30% smaller and lighter than any other PLB on the market. Easily fits into almost any pocket on a lifejacket. High brightness strobe light. Retractable antenna. 66 channel GPS receiver. Unique mounting clip and universal strap. Easy to attach to a PFD blow tube or other gear. Includes a flotation pouch and lanyard. 7 year battery life. 7 year warranty.

McMurdo Fast Find 220 personal locator beacon unit. Contacts rescuers in the event of an emergency. When activated, instantly broadcasts your position to the Cospas-Sarsat satellite system. Sends a powerful 406 MHz signal and unique GPS information. Waterproof, operates in temperatures down to -4° F. Floats when held in included buoyancy pouch. Submersible to 10 meters. Equipped with a flashing LED signal light. Size: 1.34" X 1.85" X 4.17".