28/02/2023
912S-03967 - 01.04
25
EPIRB3 USER MANUAL
9.5 Specifications
406MHz Transmitter
Transmit Power (EIRP)
12W
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)
50mW±3dB
Frequency
121.5 MHz
Modulation Duty Cycle
>35%
Modulation Factor
0.85 to1.00
Frequency Stability
±50ppm
Duty Cycle
>98%
Strobe and Night Vision Lights
Light Type
High Intensity LED & Infrared (IR)
Light Colour
White and IR
Average Intensity Visible
>1 candela
Average Intensity Night Vision Light
15mW/sr
Flash Rate
24 per minute (nom.)
Battery
Type
Lithium Iron Disulphide (LiFeS2)
Operating Time
>48Hours @ -20°C
Battery Replacement Period
10 years
GNSS Receiver
Satellite Channels
72 acquisition
Sensitivity -167dBm
Cold Start / Re-acquisition
-148dBm / -160dBm
GNSS Antenna
Microstrip Patch