This is a solicitation for a firm-fixed price purchase order to be awarded on a sole source basis to Chelton Limited for one specific antenna part. The requirement is restricted, and any submitting source must be an authorized distributor of the manufacturer with full traceability documentation. Only shipping terms of F.O.B. Destination or F.O.B. Origin are acceptable for quotations. The performance location is not specified, and no budget information is provided in the description.