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Which of the following statements is true regarding the use of mobile radios in emergency services?

  1. They are faster than hand-held radios.

  2. They are less powerful than handheld models.

  3. They are designed for long-range communication.

  4. They can only be used in designated zones.

The correct answer is: They are designed for long-range communication.

Mobile radios are specifically designed for long-range communication, making them ideal for emergency services. These radios utilize higher power output and larger antennas compared to handheld devices, which allows for a more extended range and better signal penetration, especially in urban environments with challenging terrain. This capability is essential for paramedics and emergency responders who need reliable communication over significant distances while operating in the field. The other options do not accurately reflect the characteristics of mobile radios. For instance, while mobile radios generally have greater transmission power and better range than handheld radios, they are not strictly faster, nor are they limited to designated zones. The nature of mobile radios enables them to maintain connectivity over extended areas, essential for coordinating emergency responses effectively.