Ham Radio Extra Class Practice Test 2025 - Free Extra Class License Exam Questions and Study Guide

Question: 1 / 400

What frequency band do most digital voice modes operate on?

1.25 meters

2 meters

Digital voice modes predominantly operate in the 2-meter band due to its widespread use and availability for amateur radio operators. This band, which ranges from 144 to 148 MHz in the United States, has become the primary choice for many digital voice applications, such as D-STAR, System Fusion, and others. The 2-meter band is well-suited for local communication, offering good propagation characteristics and allowing operators to make use of low-powered transmissions effectively, which is essential for digital voice communications.

Additionally, the 2-meter band is heavily utilized for various forms of voice communication, making it easily accessible and familiar to many amateur radio enthusiasts. This familiarity also encourages the development and usage of digital modes within this band, thereby fostering community interaction and innovation in digital communication technologies in amateur radio.

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70 centimeters

10 meters

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