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Physical

Dimensions: 180 x 148 x 42 mm (L x W x H)

Weight: 600g

Power

12V DC (9.6-15.6V)

Average power consumption 4W

Power Consumption 0.3A continuous

GPS Receiver (AIS Internal)

IEC 61108-1 compliant

RTCM corrections

Electrical Interfaces

RS232 38.4kbaud bi-directional

Connectors

VHF Antenna connector

GPS Antenna connector

RS232/RS422/Power

Environmental

IEC 60945

Operating Temperature: -25ºC to +55ºC

VHF Transceiver

1、  Transmitter x 1

2、  Receiver x 2 (one time shared between AIS/DSC)

3、  Frequency : 156.025 to 162.025 MHz in 25KHz steps

4、  Output power:：33dBm ± 1.5 dB

5、  Channel Bandwidth: 25KHz

6、  Channel Step: 25KHz

7、  Modulation modes：

                     25KHz GMSK (AIS, TX and RX)

                     25KHz  AFSK (DSC, RX only)

8、Bit rate：9600 b/s ± 50 ppm (GMSK)

   1200 b/s ± 30 ppm (FSK)

9、RX Sensitivity：Sensitivity - 107dBm 25KHz

                               Message Error Rate 20%

Co-Channel 10dB

Adjacent Channel 70dB

IMD 65dB

Blocking 84dB

Designed to be compliant with the following standards

1、  IEC62287 FDIS

Draft IEC standard, Class B AIS

2、  IEC60945 Edn 4.0

 IEC standard, environmental requirements

3、  ITU-RM.1371-1

 Universal AIS Technical Characteristics

4、  IEC61162-1 Edn. 2.0

 IEC standard, digital interfaces part 1

5、  IEC61108-1

  IEC standard, GPS receiver equipment

6、  ITU RR AP18eWRC2000

Radio Regs., Appendix 18, Table of frequencies in the VHF maritime mobile band

7、  ITU R M.493-9

 Digital Selective Calling system for use in the maritime mobile service

8、  ITU-R.M 825-3

        Characteristics of a transponder system using DSC for   use with VTS and ship-to-ship identification