This short presentation tells the story behind Fongko's handheld mini OTDR fiber tester and its intended use cases. Watch a step-by-step demonstration of fast fault detection in fiber optic networks, see how the device locates breaks and anomalies in real time, and learn how field technicians can speed up troubleshooting. We also take you inside Fongko's manufacturing and quality processes to show what ensures reliable performance in every unit.