Enquiry: four pieces of Acoustic Modems / Hydrophones

Dear Sirs, the German Aerospace Center would like to purchase four pieces of Acoustic Modems / Hydrophones according to the following specifications. For this purpose, please send us a quotation latest by Tuesday, May 20th 2025 until 1 pm. CEST (20.05.2025, 13:00 Uhr) to my Email address. Modems / Hydrophone Quantity: 4 pieces Property: Value Dimensions (wlh):50 mm x 50 mm x 22 mm (stacked PCBs, w/o battery and cables) Weight:30 g (PCBs only) Frequency Band:typ. 24 - 60 kHz (depending on configuration, max. 20-96 kHz) Bandwidth:24 - 36 kHz (depending on configuration) Data Rate:250 - 4,500 bit per second Transmit Power:up to 5 W (down to 0.75 W) Range:min. 300 m Supply voltage:12V (3S Li-ion Battery) / max. 13V Configurability: open-source device comprising both hardware and software Award Criteria: Price 100% Delivery terms: DAP – 88234 Wessling Payment: 30 days net Award deadline and binding period: at least until: June 13th 2025 German Aerospace Center (DLR) Special Purchasing Terms apply. Kind regards David Deyl Acoustic Modem