QSFP28 Module. Singlemode QSFP28 module with LC connector. Data rate: 100 Gbit/s, TX wavelength: 1271 nm, RX wavelength: 1271 nm. Range up to 2000 m. Transmission: Duplex. Wavelengths 1271, 1291, 1311, 1331 nm. Add this QSFP module to your CCR2216 or CRS504 configurations for distances of up to 2 km and enjoy true speed and maximum reliability. This optical module offers four independent full-duplex channels with up to 25 Gbps bandwidth per channel and a total bandwidth of 100 Gbps. The module features integrated digital diagnostic functions, including optical power monitoring, and is designed for environments up to 70 °C. It has been built for the toughest conditions, including temperature, humidity, and EMI interference, making it a highly reliable solution for all your 100 Gbps QSFP28 devices.