Regarding bandwidth and range, which statement is incorrect?

• A. NFC has low BW and low range
• B. Bluetooth has low BW and low range
• C. LoRa has low BW and low range
• D. Mobile 4G/LTE has low BW and Low Range

Answer: (D)

Different wireless technologies have distinct bandwidth (data rate) and range profiles. LTE/4G is designed for high data rates over wide cellular coverage, so it provides substantial bandwidth and long-range reach. Therefore the statement claiming mobile 4G/LTE has low bandwidth and low range is not accurate. The other technologies fit their typical profiles: NFC is very low data rate and very short range, Bluetooth offers modest data rate with a short to moderate range, and LoRa delivers very low data rate but can cover long distances with low power.