General

Operating frequencies 161.975MHz, 162.025MHz
(Ch 87B, 88B, default)156.025–162.025MHz
Type of emission 16K0GXW (GMSK)
Antenna impedance 50Ω
Usable temperature range –20°C to +60°C;
–4°F to +140°F
Power supply requirement 12V DC (9.6–15.6V)
Current drain
(at 12.0V DC)
Tx 1.5A
Rx 0.7A
Dimensions (W×H×D)
(projections not included)
165×110×123 mm;
6.5×4.33×4.84 in
Weight (approx.) 1.0kg; 2.2lb

 

Transmitter

MA-500TR

Output power 2W
Modulation GMSK
Conducted spurious emission Less than –36dBm

 

Receiver

MA-500TR

Sensitivity (20% error rate) –110dBm (AIS/DSC)
Adjacent Ch. selectivity More than 70dB (AIS/DSC)
Spurious response More than 70dB (AIS)
More than 70dB (DSC)
Intermodulation More than 65dB (AIS/DSC)
Conducted spurious emission Less than –57dBm (AIS)

 

Data interface

MA-500TR

Data Input Interface NMEA1, NMEA3:
IEC 61162-1:2000 (4,800bps)
or IEC 61162-2 (38,400bps)NMEA2:
IEC 61162-2 (38,400bps)

Sentence format (common to NMEA1–3):
RMC, GGA, VTG, GSA, GSV,
DTM, GNS, GLL, and GBS*1

Input level (2V applied):
Less than 2mA

Data Output Interface NMEA1, NMEA3:
IEC 61162-1:2000 (4,800bps)
or IEC 61162-2 (38,400bps)NMEA2:
IEC 61162-2 (38,400bps)

Sentence format:
NMEA1:
DSC, RMC, GGA, VTG, GSA, GSV,
GBS, DTM, DSE, GNS and GLL

NMEA2:
VDM, VDO, ALR, ACA, ACS, TXT,
RMC*2, GGA*2, GNS*2, GLL*2, VTG*2,
GSA*2, GSV*2, GBS*2 and DTM*2

NMEA3:
RMC, GGA, VTG, GSA, GSV,
GBS, DTM, GNS, and GLL

Output level:
5V, 40mA Max.
RS-422 balanced type

Rating of alert terminal 24V DC, 500mA max.

 

*1 To use a third party GPS receiver with the MA-500TR, a GPS receiver with RAIM function is required.
*2 Depending on AIS output setting.

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