ACR 2777.5 RAPIDFIX 406 CAT II with GPS interface and mounting bracket Model No. RLB-33 Transmits your position to Geostationary satellites. Reduces your rescue time by as much as an hour. Transmits your coordinates and digitally coded user ID. Transmits on 406MHz (COSPAS-SARSAT) and 121.5MHz (SAR). Hydrostatic release deploys the EPIRB when submerged to approx 12'. Includes 5 year (11 year useful life) lithium battery. 5 yr limited warranty. GPS Interface connection via Infrared diode (NMEA 0183): transmits your exact GPS LAT/LONG coordinates through GEOSAR satellite system allowing SAR to respond at once No More Waiting for a Satellite Pass! Worlds smallest 406 MHz EPIRB that meets all regulations and is fully approved worldwide Built-in strobe for enhanced location in poor visibility conditions Single, three-position switch for easy test and operation. Steady green LED indicates unit has passed full functional test, flashing red LED indicates unit is “ON” Transmits on 406 MHz (COSPAS-SARSAT) with your registered, digitally-coded distress signal, and 121.5 MHz (SAR homing frequency) Can be manually activated; self-buoyant no external float collar to lose Lanyard coiled on recessed spool for non-tangling deployment Exclusive, polycarbonate blend designed for maximum resistance to UV and chemicals; maximum durability when exposed to extreme temperatures or shock Field programmable built-in vessel code can be reprogrammed by an ACR Authorized Service Center worldwide (Maritime/Serialized/Radio Call Sign/MID Protocols, Country Code, etc.) Product label includes universal test/operation symbols, English and French languages, plus ability to substitute other foreign language 5-year limited warranty 5-year replacement life (11-year useful life) lithium battery Operating life: 48 hours @ -40C (-40F) Comes with GPS interface and mounting bracket