35 Grosvenor Street in Mayfair, London, offers premium office spaces, including private offices and co-working areas. The building faced challenges with poor mobile signal reception, affecting staff productivity and customer satisfaction. Signal Solutions installed the Amplifi-Qx Digital system using CEL-FI technology, providing reliable cellular coverage throughout the 2,000 sqf luxury office space. The result is a seamless mobile experience for all users, eliminating dropped calls and ensuring fast, consistent connectivity.