Y1-03-0228 Rev. C 138.3 Specifications406 MHz TransmitterFrequency 406 MHzOutput Power 5 wattsFrequency Stability ±2 parts per billion/100msDigital Message:FormatLong message/ Serialized 1*Message protocol Standard LocationDuration 520 msRate 400 bpsEncoding Biphase LModulation ±1.1 radians peak1* Beacons are shipped from ACR with a Serialized code but can be reprogrammed at a service center toother coded formats including nationality of registration.121.5 MHz TransmitterFrequency: 121.5 MHzFrequency Tolerance ±50 ppmOutput Power 50 mW PEPMorse Code “P” ID Every 50 seconds (approximately) (U.S. Protocol)ModulationType AM (3K20A3N)Sweep Range 400 to 1200 HzSweep Rate 3 HzDuty Cycle 37.5%Morse P AM (2K00A2A) (U.S. Protocol)AntennaFrequency 406 & 121.500 MHzPolarization VerticalVSWR Less than 1.5/1General/EnvironmentalMinimum Battery Operating Life +24 hours minimum @ -20°C to +55°C (-4°F to +131°F)Battery Replacement Interval 5 years, after use in an emergency, or expired battery witness seal*Batteries meet the UN Classification for Non-dangerous goodsSize of beacon less Antenna 1.25 x 5.81 x 2.31 in (3.71 x 14.75 x 5.8 cm)Material High impact and UV resistant plasticColor ACR-treuse™ (High Visibility Yellow)Weight 9.8 oz (277 grams) w/o holsterWaterproof Factory Tested to 3.28 ft (1 m) for 1 hour and to 32.8 ft (10 m) for10 minutes, both at room temperatureBuoyancy The beacon will not float without ACR pouch, included with theResQFix™ and not sold separately.Temperature RangeOperating -20°C to +55°C (-4°F to +131°F)Storage: -40°C to +70°C (-40°F to +158°F)