• Transmits on 406 MHz via COSPAS-SARSAT satellite system with your registered unique, digitally coded distress signal and 121.5 MHz (SAR homing frequency).
• Recessed, waterproof GPS/programming interface (NMEA 0183) transmits GPS data for even faster response.
• Small, lightweight unit can be easily carried in a pack or pocket; small enough to wear on deck by racers, crew, solo cruisers, kayakers, climbers, hikers, hunters, pilots or any outdoor enthusiast.
• Single, three-position switch for simplicity. Red LED flashing indicates unit is "ON", Yellow LED flashing indicates test sequence in process, steady green LED indicates unit has passed full functional test.
• Functional test switch for battery power and 406 MHz transmission.
• Flat, stainless steel antenna wraps compactly around bottom case for easy stowage; is easily positioned when needed.
• Floats to avoid loss if dropped in water, waterproof to 3.3 ft (1 m).
• Wrist lanyard ensures security when hand-held.
• Can be stored between -50° C and + 70° C (-58° and +158° F).

Size: 1.9 x 6.5 x 3.8 in (4.8 x 16.5 x 9.5 cm)
Weight: 17.6 oz (499 g)