Simulated WWAN device

modulename: wwan_hwsim.ko

configname: CONFIG_WWAN_HWSIM

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Wireless WAN
└─>Simulated WWAN device
In linux kernel since version 5.2 (release Date: 2019-07-07)  
This driver is a developer testing tool that can be used to test WWAN
framework.

To compile this driver as a module, choose M here: the module will be
called wwan_hwsim. If unsure, say N.

source code: