Wireless 802.11 networks generally have a range of ________.

• A. 5 to 10 meters
• B. 10 to 30 meters
• C. 15 to 45 meters
• D. None of the above

Answer: (B)

Wireless 802.11 networks transmit radio signals whose reach indoors is affected by walls, interference, and frequency. In typical indoor settings, you can expect coverage on the order of tens of meters, commonly around 10 to 30 meters. This range reflects how lower-frequency signals (like 2.4 GHz) travel farther and through obstacles, while higher-frequency signals (like 5 GHz) offer higher data rates but attenuate more quickly. Shorter ranges such as 5–10 meters are too restrictive for most deployments, while larger ranges like 15–45 meters can happen in open spaces but are not typical inside buildings. So, 10 to 30 meters is the most representative general range.