This is a total small business set-aside solicitation for a firm fixed price commercial purchase, restricted to small businesses under NAICS 334220 with a 1,250-employee size standard. The requirement is to deliver a high-performance software-defined radio equivalent to the National Instruments USRP X420 to maintain compatibility with NIST’s existing 5G/6G and O-RAN research platform. Delivery must be completed within 75 days after receipt of order, on an FOB Destination basis to NIST, with all shipping and delivery costs included in the quoted price. Award will be made on a lowest price technically acceptable basis, evaluating technical capability and the ability to meet the delivery schedule. The contract type is a firm fixed price purchase order.