Brandywine's OSA-5581C GPS is a GPS synchronization receiver and distribution unit specifically designed to eliminate bit errors and slow transmission rates. Flexible, modular, and a fully redundant synchronization solution, the OSA-5581C is for fixed (SDH/ SONET) and mobile (TDMA, CDMA, GSM, 3rd generation) telecom network applications. All critical parts in the OSA-5581C, including the GPS input & holdover unit, can be duplicated to ensure high availability.