The UFiber OLT GPON SFP ports are designed for use with the UF-GP-B+ and UF-GP-C+ SFP modules. Compatible with UFiber OLTsTechnical Specifications UF-GP-B+ Media Supported Singlemode Fiber Connector Type (1) SC/UPC TX wavelength 1490 nm RX wavelength 1310 nm TX power range 1.5 to 5 dBm RX power range -28 to -8 dBm Downstream data rate 2.5 Gbit/s Upstream data rate 1.25 Gbit/s Cable distance 20 km UF-GP-C+ Supported media Single-mode fiber Connector type (1) SC/UPC TX wavelength 1490 nm RX wavelength 1310 nm TX- Power range 3 to 7 dBm RX power range -30 to -12 dBm Downstream data rate 2.5 Gbps Upstream data rate 1.25 Gbps Cable distance 20 km Pack options Pack of 20