SAMYUNG EPIRB SEP-406应急卫星示位标 Features SEP-406 EPIRB complies with CCIR, RTCM, COSPAS-SARSAT and GMDSS performance standards of IMO with transmitting frequencies of 406 MHz / 121.5 MHz. SEP-406 EPIRB, which is designed to be watertight and for ease of installation, have a hydraulic release mechanism to release automatically by water pressure. .Fully GMDSS compliant .Compact and light .Simple and safe to operate .Automatic float free housing .Totally watertight .Self-test Specifications GENERAL .Material housing : ABS Plastic .Strobe light : 20times per minute (min. 0.75 candela) .Temperature : Operating -20℃ ~ +55℃ .Battery : Lithium - 4 years service life .Operating life - 48 hours at -20℃ - 80 hours at +20℃ .Transmission time : 440?±1% .Repetition : 50s±5% .Weight : 1.5㎏ 121.5MHz HOMING TRANSMITTER .Frequency : 121.5? ±10ppm .Output power : ≥75? .Radio type : A3× .Modulation : AM, Sweep Tone from max 1600? to min 300? .Sweep range : ≥700? .Sweep rate : 2.5? 406MHz SATELLITE TRANSMITTER .Frequency : 406.025? ±2ppm .Output power : 5W±2? .Radio type : G1B .Modulation : Phase modulation 1.1 ± 0.1 rad .Data encoding : Bi phase L .Stability : Short term : ≤ 2 ×10-9 .Medium term : ±1×10-9 .Residual noise : ≤ 3 ×10-9 .Bitrate : 400b/s .Antenna : Onmidirectional Whip Antenna
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