A325 GNSS Smart Antenna User Guide
23
PN 875-0318-000 Rev D2
Appendix B: Technical Specifications
Table B-4: Communication specifications
Item
Specification
Serial
2 full-duplex RS-232, Bluetooth, CAN
Baud rates
4800 - 115200
Data I/O protocol
NMEA 0183, NMEA 2000*, Hemisphere GNSS binary, Bluetooth
2.0 (Class 2)
*requires NMEA certification
Correction I/O protocol
Hemisphere GNSS proprietary, RTCM v2.3 (DGPS), RTCM v3
(RTK), CMR (RTK), CMR+ (RTK)
5
Timing output
1 PPS CMOS, active high, rising edge sync, 10 k
Ω
, 10 pF load
Event marker input
CMOS, active low, falling edge sync, 10 k
Ω
, 10 pF load
Table B-5: Power specifications
Item
Specification
Input voltage
7- 36 VDC with reverse polarity operation
Power consumption
< 4.6 W nominal GPS (L1/L2), GLONASS (L1/L2), and L-band
Current consumption
334 mA nominal GPS (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
104.0 H x 145.0 D (mm)
4.09 H x 5.71 D (in)
Weight
<558 g (<19.7 oz)
Status indicators (LED)
Power, GNSS lock, and Bluetooth communication
Serial port extension
Bluetooth communication
Power/data connector
12-pin male (metal)
