Data transmission methods
Basically, all similar devices have such modules as Wi-Fi and Bluetooth. These modules help send the necessary information to a stationary station or to the server. Even a regular laptop can serve as a server, and thus there is no need to transcode signals with information data. Such devices are very convenient and popular with those who are engaged in small business. In the basic configuration of the device, there is also a battery that will allow the device to work for some time and without a network. In addition, you can purchase various accessories and additional elements that can significantly accelerate the simplification of the workflow.
