Surface Pro LTE was made available to commercial customers in several countries last year. General consumers can now order this device from Microsoft Store Online in the US.
Surface Pro with LTE Advanced offers Cat 9 speed and supports 20 LTE frequency bands, making the most of the mobile network. The versatile laptop will come in two different configurations: The i5 Intel Core processor, 128 GB SSD and 4 GB RAM will be available at a price of $1,149. The i5 Intel Core processor, 256 GB SSD and 8 GB RAM will be available at a price of $1,449. Currently, only the 256GB/8GB model is available in stock from Microsoft Store.
You can order it here from Microsoft Store. According to the store listing, the device will be shipped by 5/1/2018.