ACR&Artex MicroFix 406 GPS PLB - Manual (Page 10)

Y1-03-0215-1 Rev. C 9
SECTION 8 - Technical Data - MicrOFix™ 406
8.1 Applicable Documents

NSS PLB01-01 Standard for 406 MHz Satellite PLB ’s, Canada

COSPAS-SARSAT Document C/S T.001 & T.007 (spec for 406 MHz distress beacons)

RSS 187 Radio Standards Specification for Emergency Position Indicating Radio Beacons, Emergency Locator
Transmitter, and Personal Emergency Position Indicating Radio Beacon

FCC Part 95, Subpart K

ETSI 302152/1 version 2003
8.2 Specifications
406 MHz Transmitter
Frequency 406 MHz
Frequency Stability ±2 parts per billion/100ms
Output Power 5 watts
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* PLB’s 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) (U.S. Protocol)
Antenna
Frequency 406 & 121.500 MHz
Polarization Vertical
VSWR Less than 1.5/1
General/Environmental
Battery Life
Minimum Operating Life +24 hours minimum @ -20°C to +55°C (-4°F to +131°F)
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 PLB 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 High Vis Yellow
Weight 9.8 oz (277 grams) w/o pouch or holster
Waterproof
Factory Tested to 32.8 ft (10 m) for 1 hour, at room
temperature - Exceeds RTCM Standards
Buoyancy This PLB will not float* (Category 2)