GlobalSat GStar BU-353N: UIDAI Approved USB GPS Receiver for Aadhaar Authentication The GlobalSat GStar BU-353N is a high-performance USB GPS receiver designed to deliver fast, reliable, and accurate positioning for Aadhaar authentication and enrollment applications. Built with the powerful SiRF Star IV chipset , it offers exceptional sensitivity, low power consumption, and ultra-compact design—making it one of the most dependable GPS solutions in the market. With its advanced satellite tracking capability, the BU-353N ensures rapid acquisition and stable positioning, even in challenging environments such as urban canyons or under tree cover . The device uses Predictive Satellite Data (EPO) technology, which enables it to maintain positional accuracy for up to three days without requiring an active connection—ideal for field and semi-offline Aadhaar operations. Fully UIDAI-approved , the GlobalSat GStar BU-353N is widely used across Aadhaar Enrollment Centers, Aadhaar Seva K...