Specifications include, but are not limited to: Windows 10 Pro 64 bit OS Durable – Mil-STD-810 CERTIFIED (drop, shock, vibration, sand/dust/freeze/thaw, low temp, high temp, tactical, humidity/water) CPU equivalent to: Intel® Core™ i5-8365U vPro™ processor 1.6GHz Internal, FirstNet AT&T Band 14 ready mobile broadband multi carrier modem WITH hotspot capability (indicate how many devices it can support). 2 USB 3.0 ports, (at least) WiFi, ethernet, Bluetooth Keyboard, backlit and keyboard attachment for tablets RAM minimum 8GB, expandable 512GB SSD or above (M.2 or SATA, please indicate) HDMI/VGA/display port for external monitor support (please indicate) Integrated speakers with keyboard volume/mute controls Optional touch screen and cost, if separate Webcam/mic Optional insertable smartcard reader or contactless smartcard reader for use in 2FA Battery, AC adapter/charger Minimum 3-year warranty, parts and labor .