CEL-FI Cel-Fi SOLO 0.5W ERCES Public is a versatile and powerful signal booster designed to enhance cellular coverage in various indoor environments. It operates on the 850 MHz frequency band, commonly used by first responders and public safety personnel, and is ideal for use in schools, hospitals, offices, and other public venues. With its compact size and easy installation process, the CEL-FI Cel-Fi SOLO 0.5W ERCES Public can be seamlessly integrated into any environment to provide reliable and consistent cellular connectivity.