A222 User Guide
Appendix B-Technical Specifications
Page 19 of 20
Table B-4: Communication Specifications (continued)
Item
Specification
Baud rates
4800 - 115200
Data I/O protocol
NMEA 0183, NMEA 2000*, and Hemisphere GNSS binary.
*requires NMEA certification
Correction I/O
protocol
Hemisphere GNSS proprietary, RTCM v2.3 (DGNSS), RTCM v3 (RTK), CMR (RTK),
CMR+ (RTK)4
Timing output
1 PPS CMOS, active high, rising edge sync, 10 kΩ, 10 pF load
Event marker input
CMOS, active low, falling edge sync, 10 kΩ, 10 pF load
Table B-5: Power Specifications
Item
Specification
Input voltage
8- 32 VDC with reverse polarity operation
Power consumption
< 3.2 W nominal GNSS (L1/L2), GLONASS (L1/L2) and L-band
Current consumption 0.26 A nominal GNSS (L1/L2), GLONASS (L1/L2) and L-band
Power isolation
No
Reverse
polarity
protection
Yes
Antenna voltage
Internal antenna
Table B-6: Environmental Specifications
Item
Specification
Operating temperature
-40° C to +70° C (-40° F to +158° F)
Storage temperature
-40° C to +85° C (-40° F to +185° F)
Humidity
95% non-condensing
Shock and Vibration
Mechanical Shock: EP455 Section 5.14.1 Operational Vibration: EP455 Section 5.15.1
Random
EMC
CE (ISO 14982 Emissions and Immunity), FCC Part 15, Subpart B, CISPR 22
Enclosure
IP67
Table B-7: Mechanical Specifications
Item
Specification
Dimensions
15.8 L x 15.8 W x 7.9 H (cm)
6.2 L x 6.2 W x 3.2 H (in)
Weight
<1.05 kg (<2.30 lbs)
