Surface 3 tablets are a great choice for field technicians. Rugged cases are also available on Amazon. You can also purchase this tablet at  Verizon ot AT and T as long as you have a Business account . Through the phone carrier they are usually $100 less and payments can be spread out over time. The price point is amazing because the Surface 3 comes with an internal air card. Surface 3 units are in high demand and sometimes difficult to find in stock since Microsoft has come out with t he Surface 4 product line. The Surface 4 Product line does not offer any tablets with internal air cards.