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Y1-03-0228 Rev. B
13
8.3 Specifications
406 MHz Transmitter
Frequency
406 MHz
Output Power
5 watts
Frequency Stability
±2 parts per billion/100ms
Digital Message:
Format
Long message/ Serialized
1*
Message protocol
Standard Location
Duration
520 ms
Rate
400 bps
Encoding
Biphase L
Modulation
±1.1 radians peak
1*
Beacons are shipped from ACR with a Serialized code but can be reprogrammed at a service center to
other coded formats including nationality of registration.
121.5 MHz Transmitter
Frequency:
121.5 MHz
Frequency Tolerance
±50 ppm
Output Power
50 mW PEP
Morse Code “P” ID
Every 50 seconds (approximately) (U.S. Protocol)
Modulation
Type
AM (3K20A3N)
Sweep Range
400 to 1200 Hz
Sweep Rate
3 Hz
Duty Cycle
37.5%
Morse P
AM (2K00A2A) (U.S. Protocol)
Antenna
Frequency
406 & 121.500 MHz
Polarization
Vertical
VSWR
Less than 1.5/1
General/Environmental
Minimum Battery Operating Life
+24 hours minimum @ -20°C to +55°C (-4°F to +131°F)
Battery Replacement Interval
5 years, after use in an emergency, or expired battery witness seal
*Batteries meet the UN Classification for Non-dangerous goods
Size of beacon less Antenna
1.25 x 5.81 x 2.31 in (3.71 x 14.75 x 5.8 cm)
Material
High impact and UV resistant plastic
Color
ACR-treuse™ (High Visibility Yellow)
Weight
9.8 oz (277 grams) w/o holster
Waterproof
Factory Tested to 3.28 ft (1 m) for 1 hour and to 32.8 ft (10 m) for
10 minutes, both at room temperature
Buoyancy
The beacon will not float without ACR pouch, included with the
ResQFix™ and not sold separately.
Temperature Range
Operating
-20°C to +55°C (-4°F to +131°F)
Storage:
-40°C to +70°C (-40°F to +158°F)