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Global fix Pro 406 epirb Cat II, manual release
Built-in GPS. Built-in strobe, 121.5Mhz homing beacon, 48 hours min broadcast time
5 yr. Non-hazmat Lithium Battery, self test
Mounting bracket included. 6.3 watt transmitter
Size (no antenna): 7 X 4.2 X 3.6 inches (17.7 X 10.7 X 9.1 cm)