ITEM NAME:HTB-1100S 25 KM 10/100Mb Single-Mode Fast Ethernet Fiber Optic Media Transceiver Product Description Product name:  single mode fiber optical transceiver Model number:  HTB transmission distance of 25 km - 1100 - s Size:  the external power supply type 26 x 70 x 93 mm Buy:  host 1 1, power supply, 1 specification Pack pack:  cartons, antistatic packaging Product description: Using CWDM (WDM) technology, through a single fiber concentration two-way link signal transmission in real time Single-mode fiber connection transmission distance of 25 km Modular structure design on centralized power supply (frame) Support store-and-forward mode Supports full duplex/half duplex works Port support Auto - MDI/MDIX automatic reverse it Support hot plug, plug and play Technical parameters: Comply with IEEE802.3 u 100 base - TX and 100 base - FX standards Work mode: full duplex/half duplex : work wavelength 1310 nm, 1310 nm Connector: 1 RJ - 45 interface, 2 SC interface LED indicator light: POWER, TX100 TXLink/ACT, FX100 FXLink/ACT, FDX dynamic feedback link signal indicator lights, and fault monitoring Transmission speed: 100 MB/s Ambient temperature: 0 to 50 ℃ Relative humidity: 5% 90% IP Cable Cat 5 UTP Cable Fiber optic cable: 9/125 um single-mode Power specifications: input 5V/2A DC(Not Included) Package contents: 1 * Ethernet Converter(Power Cord Not Included) 1 * User Manual If you have any uncertainty or feel confused about the item, please feel free to.Model number: HTB transmission distance of 25 km - 1100 - s. Using CWDM (WDM) technology, through a single fiber concentration two-way link signal. Single-mode fiber connection transmission distance of 25 km.