Supports 3042/3052 type 4G/5G Module. ^^ Supports SIM/Micro SIM/NANO SIM card, and support dual SIM Card by AT Command. ^^ Versatile Compatibility The Ethernet Network is backwards compatible with multiple data rates( 2.5 Gbps, 1 Gbps, 100 Mbps Base-T connectivity). The 2.5G Ethernet port automatically negotiates between higher and lower speed connection.