Installation manual

* Depends on multipath environment, number of satellites in view, baseline length (for local services), and ionospheric activity
** Dependent upon ionospheric activity and multipath
*** NAVICO Proprietary RAIM message ($PMVXG, GBS)
M X 4 2 1 B - 1 0 M X 5 2 1 A
G E N E R A L
Reciever Type L1, C/A code, 1.575 GHz Frequency L1, C/A code, 1.575 GHz Frequency
Channels 12-channel, parallel tracking 12-channel, parallel tracking (10-channel when tracking
WAAS/EGNOS/MTSAT)
Position Update Rate 1 Hz default, 5 Hz (optional) 1 Hz default, up to 10 Hz (optional)
Horizontal Accuracy <1 m RMS* (DGPS)
<3m RMS** (GPS no S/A)
<1 m 2D-RMS* (DGPS)
<5m 2D-RMS** (GPS no S/A)
Cold Start 60 s (Typical-no almanac) 60 s (Typical-no almanac)
Satelite Reacquisition <10 s (Typical) <10 s (Typical)
B E A C O N S E N S O R S P E C I F I C A T I O N S
MSK Bit Rates 50, 100 and 200 bps 50, 100 and 200 bps
Channels 2-channel, parallel tracking 2-channel, parallel tracking
Frequency Range 283.5 to 325 kHz 283.5 to 325 kHz
Operating Modes Automatic and manual Automatic using built-in smart beacon feature or manual
Sensitivity 2.5μV/m for 6 dB SNR @ 200 bps 2.5μV/m for 6 dB SNR @ 200 bps
Dynamic Range 100 dB 100 dB
Ajacent Channel Rejection 61 dB @ f ° ± 400 Hz 61 dB @ f ° ± 400 Hz
C O M M U N I C A T I O N S
Serial Port 2 duplex NMEA 0183 Ports 2 duplex NMEA 0183 Ports
Baud Rates 4800 (default), 9600, 19200 4800 (default), 9600, 19200
Data I/O Protocol NMEA 0183 V3.0 NMEA 0183 V3.0
NMEA Sentences GGA, GSA, GST, GSV, RMC, VTG, GRS, ZDA, GBS *** GGA, GSA, GST, GSV, RMC, VTG, GRS, ZDA, GBS ***
Correction I/O Protocol RTCM SC-104 RTCM SC-104
E N V I R O N M E N TA L
Operating Temperature -25°C to +60°C -30°C to +70°C
Storage Temperature -40°C to +85°C -40°C to +85°C
Splash Proof “Exposed Category”
IEC 60945 ed4
“Exposed Category”
IEC 60945 ed4
E L E C T R I C A L
Input Voltage 10.5 to 32 VDC 10.5 to 32 VDC
Reverse Polarity Protection YES YES
Power Consumption < 3 W < 3 W
Current Consumption < 230 mA @ 12 VDC < 230 mA @ 12 VDC
M E C H A N I C A L
Dimensions Height 8.9 cm (3.5”)
Diameter 18.2 cm (7 1/8”)
Height 10.2 cm (4”)
Diameter 18.2 cm(7 1/8”)
Weight 660 g (MX421B-10)
200 g (MX421-10)
0.5 kg (1.2 lbs.)
Power/Data Cable 10-wire Shielded twisted pair (not included) available in 20,
40, 60, 80 and 90 meter
10-wire Shielded twisted pair (not included) available in 20,
40, 60 and 80 meter
Antenna Connector 10 pin (male) 10 pin (male)
Mounting 1 inch - 14 TPI Pole Mount 1 inch - 14 TPI Pole Mount
C E R T I F I C A T I O N
BSH and Wheelmark approval IMO MSC 112(73) CE and
FCC Compliant, CCS
BSH and Wheelmark approval IMO MSC 112(73) CE and
FCC Compliant, CCS
M X 4 2 1 B - 1 0 A N D M X 5 2 1 A S P E C I F I C AT I O N S
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Professional Series Navigation Systems