12.1-inch Class-B Marine AIS Transponder

12.1-inch Class-B Marine AIS Transponder

Features:

1. Automatic Identification System Class A

2. Comply with IMO MSC 74(69)annex 3,A.694,ITU-R M.137-3 and IEC62287-1

3. Comply with IEC61993-2 (standard test type),IEC66945 (EMC approval)

4. AIS target approaching, sound and light alarm function

5. Compatible AIS marine Class A and fisheries Class B

6. Provided AIS target ship static ,dynamic information

7. Target ship information display function

8. 12.1inch TFT true color LCD

9. GPS navigation function

Technical specifications:

General

1. RF unit: 1 transmitter and 2 TDMA receivers

2. Frequency range: 156.025-162.025MHz

3. Channel spacing: 25KHz

4. The default channels: A: 161.975MHz, B: 162.025MHz

5. Modulation method: GMSK9600b/s, FSK1200b/s(±50ppm)

6. Frequency tolerance: ± 500Hz

7. Display screen: 12.1-inch TFT true color LCD screen

8. Operating mode: CSTDMA/SOTDMA

9. Compass distance: 0.8m

10. Power supply: DC9V-16V/ 3A or 9V-38V/3A(option)

11. Protection class: IP45

12. Display resolution: 800*600 TFT color LCD

13. Data interface: 4800bps, 38400bps, RS-232/RS-422/TTL(three inputs, three outputs)

14. RF socket: 50Ω(VHF), BNC 50Ω(GPS)

15. Audio output power: ≤5W/8Ω(adjustable)

16. Operating temperature: -15 ℃ ~ +55 ℃

AIS transmitter section

1. Carrier power: 33dBm ± 1.5dB

2. Modulation spectrum: ＜-25dBw , ＜-60dBw

3. Modulation accuracy: ＜3400Hz（Bit 0,1）, 2400Hz±480Hz（Bit2,3）, 2400Hz±240Hz(Bit 4-199 or 00001111 Bit format), 1740Hz±175Hz（0101 Bit format）

4. Power comparison time:

Transmit delay: 2083us

Increase time: ≤313us

Decrease time: ≤313us

Transmit duration time: ≤323333us

5. Spurious emission: -36dBm（9KHz-1GHz）, -30dBm（1GHz-4GHz）

AIS receiver section

1. Reference sensitivity: -115dBm (package error rate <20%)

2. High input tolerance: -77dBm (package error rate <2%), -7dBm (package error rate < 10%),

3. Co-channel interference: >10dB（package error rate<20%）

4. Adjacent channel selectivity: >70dB（package error rate<20%）

5. Spurious response interference: >70dB（package error rate<20%）

6. Inter-modulation response interference: > 65dB（package error rate<20%）

7. Blocking: >78dB (package error rate of <20%), >86dB（package error rate<20%）

8. Spurious emission: <-57dBm (1GHz ~~ 4GHz) , <-47dBm（9KHz~1GHz）

GPS section

1. Receiving frequency: 1575.42 MHz

2. Sensitivity: ≤-150dBm

3. Data update: once per second

4. Positioning errors: 2.5m

5. Positioning time: Cold start: < 60s, Hot start: < 1s

Note: Specifications are subject to change without notice.

Dimensions:

Dimensions of 12.1-inch Class-B Marine AIS Transponder