Rapidfix 406 MHz EPIRB with GPS Interface Model No. RLB-33 Cat II World's smallest 406 MHz EPIRB that meets all regulations and is fully approved worldwide. Transmits your exact GPS LAT/LONG coordinates through GEOSTAR satellite system allowing SAR to respond at once - no more waiting for a satellite to pass. Built-in strobe for enhanced location in poor visibility conditions. Single, three position switch for easy test and operation. Can be manually activated, self-buoyant. Lanyard coiled on recessed spool for non-tangling deployment. Field programmable. 5-year limited warranty. 5-year replacement life (11 year useful life) lithium battery. Weight 2 lbs. Size: 3.7 x 7.2 x 4.3 in. Antenna: 7.4 in.