NSR NTW-1000 Portable VHF GMDSS

NSR NSI-1000 AIS Class-A Transponder

The NSR NSI1000 is a shipborne Universal AIS (Automatic Identification System) Transponder.


This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

The NSI NSI1000 is a shipborne Universal AIS (Automatic Identification System) Transponder capable of exchanging navigation and ship data between own ship and other ships or coastal stations. The NSR NSI-1000 consists of a transponder unit and a compact display unit with LCD Display. The compact NSR NSI-1000 display is designed to accommodate a simple and space-saving installation with a user-friendly ergonomic design.

The transponder unit contains a VHF transmitter, two TDMA receivers on parallel VHF channels, a DSC channel 70 receiver, interface processor and internal GPS receiver. The GPS receiver provides UTC reference and also provides position, COG and SOG in the event that a connected external GPS receiver fails.


  • Class-A Universal AIS compliant with IMO MSC.74(69) Annex 3, A.694, ITU-R M.1371-1 and DSC ITU-R M.825
  • Target ship’s CPA/TCPA, COG/SOG, name on the basic scrolled LCD display
  • Interfaces for radar, ECDIS, PC
  • Built-in GPS receiver for UTC synchronization and backup position fixing
  • LCD display
  • TX Frequency – 156.025 MHz – 162.025 MHz, manual/automatic setting
  • Transmitter Power – 1W / 2W / 12.5W, manual/automatic selection
  • RX Frequency – 156.025 MHz – 162.025 MHz by 2 channels
  • RX Frequency – CH70 (156.525 MHz)
Brochure MED Approval