USER MANUAL
24 912S-03765-01.00 12/11/2022
7.5 Specifications
406MHz Transmitter
Transmit Power 5W Typical
Frequency 406.031 MHz ±1KHz
Modulation Phase ±1.1 Radians
(16K0G1D)
Encoding Biphase L
Rate 400 bps
AIS Transmitter
Transmit Power (EIRP) 1Watt ±3dB
Frequency 161.975/162.025MHz ±500Hz
Baud rate 9600baud
Synchronisation UTC
Messages Message 1 (Position), Message 14 (Status)
Repetition interval 8 messages/minute
Message 14 sent twice every 4 minutes
121.5MHz Transmitter
Transmit Power (PERP) 25-100mW
Frequency 121.5 MHz
Modulation Swept Tone AM (3K20A3X)
Modulation Factor 0.85-1.0
Modulation Duty Cycle >35%
Frequency Stability ±50ppm
Duty Cycle 98%
Visible Light Strobe
Light Type High Intensity LED
Light Colour White
Intensity >1 candela
Flash Rate 20-30 per minute
Infra Red Strobe
Light Type IR LED
Light Colour 850nm
Intensity 7.5mW/sr
Flash Rate 20-30 per minute
Battery
Type Lithium/Iron Disulfide (Li/FeS2)
Operating lifetime >24hours @ -20ºC (-4ºF)
Lithium Metal Weight (for air transport) <2g per battery
Replacement Interval 6 years from date of manufacture
or 5 years from being placed into service
GNSS Receiver
Satellite Channels 72 acquisition
Sensitivity -167dBm
Cold Start Re-acquisition -148dBm
GPS Antenna Microstrip Patch
Environmental
Temperature range (operational) Class 2 -20°C (-4ºF) to +55°C (+131ºF)
Temperature range (storage) Class 2 -30°C (-22ºF) to+70°C (+158ºF)
Damp Heat (humidity) 40°C (104ºF) at 93%
Drop (hard surface) 1m : 6 sides]
Water immersion >10m (1.0bar) : >60minutes
Thermal Shock 45° into 100mm of water : >1hour
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