Product features: 1. Supports 3042/3052 type 4G/5G Module. 2. Supports SIM/Micro SIM/NANO SIM card, and support dual SIM Card by AT Command. 3. 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. Package contents: 1x M.2 to Type C adapter 2x M2 Screw 4x M2.5 screw 1x screwdriver 4x 2.4G/5G antenna 1x TTL 4Pin Cable 1 x grommet Kit 1x SIM Card Extension Kit 1x Type C cable