Adding concise background: Sarantel, a UK-based miniature antennas maker, has made a strategic move to optimize its operations by outsourcing certain processes to Elcoteq's plant in Estonia.

Integrating sentiment: The decision is likely driven by Sarantel's aim to improve efficiency and cost-effectiveness in its assembly, testing, and supply chain operations, indicating a positive outlook for the company's future growth and competitiveness.

Enhanced sentence: "In a strategic decision, UK's Sarantel has signed an agreement to outsource its assembly test and supply chain processes to the Elcoteq plant in Tallinn, Estonia, aiming to enhance efficiency and cost-effectiveness, which bodes well for the company's future prospects."