Shallow Water USBL Acoustic Modem System Procurement for Oceanographic Research

This tender, bid number GEM/2026/B/8213138, is issued by the National Institute of Ocean Technology (NIOT), under the Ministry of Earth Sciences, for the procurement of an underwater acoustic USBL modem system designed for shallow water vehicle applications. The procurement, scheduled to begin on 28-10-2026 at 8:27 PM and conclude on 19-11-2026 at 11:00 AM, specifically requires a 200m depth rated USBL-based acoustic modem for ship USBL tracking software. Accompanying this primary component are several essential accessories, all rated for 200m depth, including a suitable bulkhead connector, a 50m length subsea inline cable, a 15m length subsea inline cable, and a 5m length subsea inline cable. Additionally, the tender calls for a suitable 200m depth rated USBL OEM version (non-housed) with a 500m depth rating, a bulkhead connector for modem/transducer, and a transport case. The total quantity required for this comprehensive system is 34 units. The bid documents are to be submitted to the NIOT, located at 601302 National Institute of Ocean Technology, Velacherry, Tambaram Main Road, Pallikarnai, Chennai - 600100, within the Tamil Nadu region, with the relevant office being Chennai. An Earnest Money Deposit (EMD) of INR 362,000.0 is mandated for participation in this tender. This opportunity is for suppliers capable of providing a complete and integrated USBL acoustic modem solution as detailed in the Bill of Quantities (BOQ) titled "Underwater acoustic USBL modem for shallow water vehicles."