NESANTARA is developed in order to increase safety level of Indonesian fisherman by tracking their position. NESANTARA aims to prevent catastrophic accidents and fatality resulting from missing at the open sea. The name “NESANTARA” comes from “Nelayan Nusantara”, which means Indonesian fisherman. NESANTARA is the latest development of WAKATOBI AIS, the AIS Transmitter developed in Wakatobi by PT. Dua Empat Tujuh.

What Make Us Different

Class B AIS with SART

Bluetooth to connect to mobile apps and custom SOS messages

Compact design and easy installation

Mobile apps for transaction, monitoring, and weather prediction

Web-based interface for Syahbandar Monitoring System


  • Power Transmit 2 Watt.
  • Equipped with external GPS antenna connector
  • Equipped with buzzer for alert/ warning situation
  • Water and dust resistant with IP55 standard
  • Rechargeable battery and can be operated for 5 days (SART mode) and 7 days (AIS mode).
  • Support reconciliation of fishing location.

A class B Automatic Identification System Transmitter equipped with Search and Rescue transmitter for Indonesian Fisherman. Nesantara AIS transmitter can transmit an Emergency signal of the fisherman in emergency condition, so that another ship can immediately determine the exact location and come to rescue. Nesantara AIS also equipped with Bluetooth, so AIS can be connected and operated from mobile devices


Component Technical Specification
VHF Transmitter Operating Frequency :
  • Channel 1, 161.975 MHz
  • Channel 2, 162.025 MHz
Data Rate : 9600 bps
Bandwidth : 25 kHz
Power Output : 2 Watt EIRP
AIS Message :
  • Static and Dynamic Data
  • Dynamic Reports
  • SRM
Modulation : GMSK (CSTDMA)
Receiver Sensitivity : -110 dBm
GPS Receiver Receiving Channels : min 48 channels
Velocity Accuracy : 0.05 m/s
Heading Accuracy : 0.3 degrees
Update rate : 5 Hz
Sensitivity : -160 dBm
Frequency : 1575.42 MHz
Environmental Operating Temperature : -20 ˚C - 50 ˚C
Water and dust resistant
Interface Wireless : BLE
Wire :
  • Input : Tag ID
  • Output : Optional