ACR Electronics 2882, 2883 manual Appendix C - Technical Specifications, MHz Transmitter, Antenna

APPENDIX C - TECHNICAL SPECIFICATIONS

406 MHz Transmitter

Frequency	406 MHz
Output Power	greater than 5 watts (typical: 6.3 watts)
Frequency Stability	±2 parts per billion/100ms
Digital Message:
Format
Long message	Serialized1*
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	>25 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)
Antenna
Frequency	406.037 & 121.5 MHz
Polarization	Vertical
VSWR	Less than 1.5:1
General/Environmental
Minimum Battery	+24 hours minimum @ -4°F to +131°F (-20°C to +55°C)
Operating Life
Battery Replacement	Battery replacement due no later than 6 years from date of
Interval	manufacture, 5 years from date of install, or after emergency use
*Batteries meet the UN Classification for Non-dangerous goods
Size of beacon less	2.31 x 5.81 x 1.25 in (5.87 x 14.76 x 3.17 cm) (SARLink™)
Antenna	2.31 x 5.81 x 1.45 in (5.87 x 14.76 x 3.68 cm) (AquaLink™)
Material	High-impact and UV-resistant plastic
Color	ACR-treuse™ (High-visibility yellow)
Weight	8.9 oz (252 g) without belt clip (SARLink™)
	9.2 oz (260 g) without attachment clip (AquaLink™)
Waterproof	Factory tested to 16.4 ft (5 m) for 1 hour and to 32.8 ft (10 m) for 10
	minutes, both at room temperature
Buoyancy	See section 4 “Distinguishing PLB Features”, page 8
Temperature Range
Operating	-4°F to +131°F (-20°C to +55°C)
Storage:	-40°F to +158°F (-40°C to +70°C)

PLB350B meets the requirements of Federal Communications Commission (FCC) Part 95 Subpart K. For all other type approval information, please visit our website at www.acrelectronics.com.

Y1-03-0241A 19