Dedicated chip to realize data line-speed forwarding. High-quality single-fiber bidirectional optical transceiver module (product supplied by a new manufacturer) with stable performance and high quality     Use high-quality photoelectric integrated modules to provide good optical characteristics and electrical characteristics to ensure reliable data transmission and long service life     Long transmission distance, easy to use, plug and play, no need for on-site debugging     Product name: 100M single-mode single-fiber optical fiber transceiver     Product model: HTB-3100A(B)-25KM     Transmission rate: 100M     Product size: 94 x 71 x 26mm     Weight: 0.45kg/pair (gross weight)     Plug Type: US Plug,it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on.     Plug Type :EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on.     Colour:black     Material:Metal          Package Contents:     1 pair * Fiber Transceiver          Only the above package content, other products are not included.     Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.