What happens to transmitted signals when using a network in packet radio?

When using a network in packet radio, transmitted signals can indeed be sent over long distances. Packet radio utilizes digital communication techniques to transmit data packets, often through a series of relay stations or nodes. This allows signals to be routed over extensive geographic areas, enabling communication beyond the immediate vicinity of the transmitting station.

The ability to relay packets from one station to another is a fundamental characteristic of packet radio, which facilitates the establishment of networks that can cover large distances. Thus, operators can communicate effectively even when separated by significant physical distances, which is a prominent advantage of this mode of communication.

Regarding the other options, while packet radio offers some potential for encryption and can be used for secure communication, this is not a defining trait of the technology. Also, packet radio signals can typically be monitored by anyone with the appropriate receiving equipment, so signals are not inherently secure or private. As for distance limitations, packet radio is specifically optimized to extend beyond short-range communication, enabling long-distance interactions.