What function is performed with a transceiver and a digital mode hot spot?

Using a transceiver and a digital mode hot spot primarily facilitates communication using digital voice or data systems via the internet. This setup allows amateur radio operators to connect with others using digital protocols, leveraging an internet connection to extend their communication reach beyond traditional radio frequencies.

The digital mode hot spot works as a bridge between the transceiver and the internet, enabling operators to transmit and receive digital signals. This is particularly useful for modes that require more bandwidth than can be efficiently accommodated on amateur radio bands, or for accessing remote stations and services.

While the other options deal with specific digital communication methods, A is the overarching function of a transceiver paired with a digital mode hot spot, as it encompasses a broad range of capabilities and facilitates more versatile communication choices, including voice and various data transmissions over the internet.