2 x COM (RS-232/422/485) terminal block Expansion 1 x M.2 (B key) (SATA/USB 3.0 signals for LTE) 1 x M.2 (E key) (PCIe/USB 2.0 signals for Wi-Fi) Network Connectivity 1 x nano SIM slot Dimensions 100 x 70 x 30 mm/ 3.93 x 2.75 x 1.18 in Weight 120 g/0.26 lb Environment Operating Temperature -20 ~ 60 ∞C/-4 ~ 140 ∞F