Nordicsemi nRF9160 is an ARM Cortex-M33 SiP (system in package) with support for LTE-M, NB-IoT and GPS.
This is a demo app that establishes a connection to a HTTP server using nordic sockets.
Note: The latest modem firmware (version 1.2.0) is required.
For nRF9160-DK connect micro usb cable to J4 usb socket.
This app depends on the secure bootloader for nRF9160.
$ sudo apt install gcc-arm-linux-gnueabi
$ export CROSS_COMPILE=arm-linux-gnueabi-
$ git clone --recursive https://github.com/machdep/nrf9160
$ cd nrf9160
$ make
$ make dtb
$ make flash
See the firmware for an alternative board: