The RJE1R series of modular jacks is a unique 2x1 stacked series that can support both Cat5e (1Gig) and Cat6 (10Gig) performances per EIA-568-C.2. It includes two RJ45 (8p8c) ports with the option to choose different levels of performance, in which both the ports can be 1Gig, 10Gig, or a mix of both. These modular jacks provide increased EMI protection and LED options for link activity and network speed verification with its shielding. This series has been used successfully in IoT gateways, servers, digital display controllers, network switches, industrial automation and more.