Spirent announces the release of a single-source solution for automated testing of GSM and WCDMA handsets that support Assisted GPS (A-GPS) location technology. Spirent's ULTS product is fully integrated and enables comprehensive A-GPS performance analysis of GSM/GPRS mobile devices in the lab. With Roadmap WCDMA support the product will enable full A-GPS performance analysis of UMTS terminals. ULTS performs both physical and protocol layer analysis and supports user and control plane implementations. The open architecture of the system allows for future upgrades.