The device is also compatible with FC, SC, and ST fiber optic interfaces. SISCO's best compact and portable three-in-1 multifunctional power meter is designed for convenience and ease of use. It is specifically designed to meet the rapid growth of FTTx market with PON technologies. It is capable of measuring all five signals (1270, 1310, 1490, 1550 and 1577nm) that carry voice, data and video. Whether you're working with different equipment or testing setups, our meter adapts effortlessly to your needs. Read more about our handheld.