What describes SF vehicles that are capable of communicating over great distances?

Mobile two-way radios are designed for use in vehicles and are capable of facilitating communication over extensive distances. These radios often operate on specific frequencies that allow for a broader reach compared to other communication devices. They are typically installed in patrol vehicles, providing security personnel with the ability to communicate seamlessly while on the move. This capability is crucial for coordinating responses and ensuring that officers can stay in contact with each other and command centers while covering larger areas.

The other options, while related to communication, do not offer the same level of mobility or distance coverage. Fixed two-way radios are stationary and used in a specific location, such as a dispatch center, limiting their range of communication to what is within reach of the fixed installation. Portable radios, although versatile and useful for short-range communications, generally do not match the distance capabilities of mobile two-way systems. Base station remotes typically refer to equipment that operates in conjunction with a fixed base station rather than as a standalone unit with great communication reach. Hence, mobile two-way radios stand out for their functionality and practicality in field operations.