The TRENDnet TEG-MGBSX Multi-Mode LC Module is a high-quality switch module designed for enterprise networking and server setups. With a network port option of SFP, this module allows for easy connectivity and reliable performance. The lot of 2 modules ensures that there is redundancy and support for multiple connections within the network. Built by the trusted brand TRENDnet, these modules are a solid choice for expanding network capabilities and improving overall system efficiency.