ICOM MA-500TR AIS Transponder Class B AIS transponder for Non-SOLAS vessels such as pleasure craft, work-boat and small vessels. Your vessels information will automatically be transmitted at fixed intervals or under base station control. The MA-500TR receives dual AIS channels (Ch. 87B and Ch. 88B) simultaneously and receives both Class A and Class B AIS information.
Transmitted information by MA-500TR is:
Plotter display looks like a marine radar display. North-up, course-up and range zoom from 0.125 NM to 24 NM are supported. The Target list display shows all detected AIS equipped vessels and targets. The Danger list display shows a list of vessels that are within 6 NM CPA and 60 minutes TCPA from your vessel. The Danger list can be sorted by CPA or TCPA order. In addition to these display types, the Detail screen shows various information about hte selected AIS target.
CPA and TCPA for collision-risk management
When a vessel comes into the CPA and TCPA range, the vessel icon blinks on the Plotter dispaly and emits a beep sound. When connected to external audio equipment installed on the deck tower, the collision alarm function will alert you even when you are away from the AIS transponder.
Individual DSC call*
When connected to a compatible Icom VHF radio. It's easy to make an individual DSC call. Select a vessel using the MA-500TR's cusor keys and then push the "DSC" button on the MA-500TR. It is not required to input an MMSI number manually.
100 Waypoints memory
Up to 100 waypoints can be stored on the waypoint list. The "MOB" button allows you to set a waypoint on your current position instantly.
When the MA-500TR receives a safetey-related message from a Class A AIS transponder, the message icon appears on the Plotter display. Up to 20 received DSC messages are automatically stored in the log memory.
3-line NMEA input/output
The MA-500TR has 15-pin D-SUB connector providing 3-lines of NMEA input/output on the rear panel. The supplied NMEA connector cable simplifies the installation and connection to the VHF radio and other navigation equipment.
Frequency coverage 161.975 MHz,162.025 MHz,156.025-162.025 MHz
Type of emission 16KOGXW (GMSK)
Antenna impedence 50Ω
Useable temperature range
-20°C to +60°C
-4°F to +140°F
Power supply requirement 12.0V DC (9.6 - 15.6V)
Weight (approx.) 1.0kg; 2.2lb
Dimensions 165 × 110 × 123mm; 6 1⁄2 × 4 11⁄32 × 4 27⁄32in.
Sensitivity (20% error rate) - 110dBm (AIS/DSC)
Adjacent Ch selectivity More than 70dB (AIS/DSC)
More than 74dB (AIS)
More than 70dB (DSC)
Intermodulation More than 65dB (AIS/DSC)
Conducted spurious emissions Less than -57dBm (AIS)
Output power 2W
Conducted spurious emission less than -36dBm
Data input interface IEC 61162-1:2000 (4,800bps), IEC 61162-2 (38,400bps)
Sentence format RMC, GGA, GSA, GSV, DTM, GNS, GLL, GBS and VTG
Input level at 2V applied Less than 2mA
Data output interface
NMEA1, NMEA3 IEC 61162-1:2000 (4,800bps), IEC 61162-2 (38,4000bps)
NMEA2 IEC 61162-2 (38,000bps)
NMEA1 DSC, RMC, GGA, VTG, GSA, GSV, GBS, DTM, DSE, GNS and GLL
NMEA2 VDM, VDO, ALR, ACA, ACS, TXT, RMC, GGA, GNS, GLL, VTG, GSA, GSV, GBS, and DTM
NMEA3 RMC, GGA, VTG, GSA, GSV, GBS, DTM, GNS and GLL
Output level 5V, 40mA Max.
Rating of alert terminal DC24V 500mA max
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