# C-sUAS 4925 (RFFE) Radio Frequency Front End

Canonical: https://abierto.us/opportunities/w50s6m26q1bt3

- Solicitation number: W50S6M26Q1BT3
- Notice type: Special notice
- Status: No response deadline
- Department: Department of the Army
- Agency: Department of the Army
- Contracting office: W7MT Uspfo Activity Alang 117 (W50S6M)
- NAICS: 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
- Product or service code: 5865 Electronic Countermeasures, Counter-Countermeasures and Quick Reaction Capability Equipment
- Place of performance: Birmingham, Alabama
- County: Jefferson County (FIPS 01073). https://abierto.us/counties/jefferson-county-al-01073
- City: Birmingham. https://abierto.us/cities/birmingham-al-0107000
- First posted: June 25, 2026
- Last posted: June 25, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/f2bd062eae234d72920e3021b11ebaa5/view

## Description

This is to notify all vendors the 4925 RF Front End Retrofit will be purchased through Black River Systems. See Sole Source justification below and attached. This item needs to be purchased specifically from Black River Systems Company Per NGB A4S Memo dated 7 June 2024. Ninja is currently the USAF and ANG's Program of record for C-sUAS capability.

This updated RFFE is required for the NINJA system with the legacy RFFE model being outdated due to supply chain issues (which affects our warranty/maintenance contract) and reduced engagement capability compared to the new model. Black River Systems is the only company that manufacturers this device for the NINJA system. 4925 RFFE needs to be purchased specifically from Black River Systems Company Per NGB A4S Memo dated 7 June 2024.

## Publications

- June 25, 2026: Special notice. Notice f2bd062eae234d72920e3021b11ebaa5. https://sam.gov/workspace/contract/opp/f2bd062eae234d72920e3021b11ebaa5/view

## Points of contact

- Jonathan Werkmeister, jonathan.werkmeister@us.af.mil, 2057142347
- William K. Hall, william.hall.65@us.af.mil, 2057142248

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/w50s6m26q1bt3.