SAM #140R2026Q0090

Sources Sought for Acoustic Receiver/Datalogger System (Lotek WHS4350L or Equal)

The Bureau of Reclamation, MP-Regional Office (Department of the Interior), is seeking sources for an acoustic receiver/datalogger system to support fish monitoring in the Central Valley Project. - Government Buyer: - Bureau of Reclamation, MP-Regional Office (Department of the Interior) - OEMs and Vendors: - Lotek (OEM specified) - Equal products from other manufacturers permitted if all requirements are met - Products/Services Requested: - Twelve (12) acoustic receiver/datalogger systems - Lotek WHS4350L or equal - Part number: WHS4350L - Must be fully compatible with existing Lotek acoustic telemetry system (software, tags/transmitters, data formats, infrastructure) - Unique/Notable Requirements: - Compatibility with Lotek system is mandatory; no modification or replacement of existing infrastructure allowed - Minimum salient characteristics: - Battery life: at least 200 days (4 lithium D-cells) - Weight: ~1.7 kg - Size: ~60 mm x 585 mm - Depth rating: ≥400 meters - Data storage: ≥8 GB removable microSD - Operating temperature: 0°C to 50°C - Operating frequency: 416.7 kHz - BPSK decoding compatible with JSATS AMT, 31-bit coding (7-bit Barker, 16-bit ID, 8-bit CRC) - Data output: time, date, tag ID, RSSI, diagnostics - OEM Lotek is specifically referenced and compatibility is a critical requirement for any proposed solution.

Description

SOURCES SOUGHT NOTICEAcoustic Receiver/Datalogger System (Brand Name or Equal: Lotek WHS4350L)This Sources Sought Notice is for market research purposes only and does not constitute a solicitation or commitment by the Government to award a contract.The Bureau of Reclamation is seeking information from vendors capable of providing an acoustic receiver/datalogger system for fish monitoring within the Central Valley Project (CVP). This requirement is Lotek WHS4350L or equal.The Government intends to acquire twelve (12) acoustic receiver/datalogger units for remote deployment locations requiring long-duration autonomous operation.Minimum Salient Characteristics (Equal Products Must Meet):Any equal product must be fully compatible with the Government’s existing Lotek acoustic telemetry system, including Lotek software, tags/transmitters, data formats, and associated infrastructure, without requiring modification or replacement of existing equipment or software.Minimum requirements include:• Battery life: ≥200 days (4 lithium D-cells)• Weight: ~1.7 kg• Size: ~60 mm x 585 mm• Depth rating: ≥400 m• Data storage: ≥8 GB removable microSD• Operating temperature: 0°C to 50°C• Operating frequency: 416.7 kHz• BPSK decoding compatible with JSATS AMT• 31-bit coding (7-bit Barker, 16-bit ID, 8-bit CRC)• Data output: time, date, tag ID, RSSI, diagnosticsResponse Instructions:Interested vendors shall submit a capability statement that includes the following:• Business name & address• UEI (Unique Entity Identifier)• Business status (e.g., SB, WOSB, SDVOSB, HUBZone, large business)• Product information and model number(s)• Evidence of ability to meet all salient characteristics• Documentation demonstrating compatibility with Lotek systems (if applicable)Responses are due by June 12, 2026, 10AM PDT to davinder_kullar@ios.doi.gov.

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