The nRF9160 DK is an affordable, pre-certified single-board development kit for evaluation and development on the nRF9160 SiP for LTE-M, NB-IoT and GPS. It also includes an nRF52840 board controller that for example can be used to build a Bluetooth Low Energy gateway. It has a dedicated LTE-M and NB-IoT antenna that supports a wide range of bands, to operate globally.
