In the field of network communication, NB-IoT and WiFi are two important technologies, each with distinct performance characteristics. Understanding their differences is crucial for selecting the right technology for specific applications.
Bandwidth and Data Transmission Rate
WiFi 7 (IEEE 802.11be) has introduced technologies such as 320MHz bandwidth and 4096-QAM, providing extremely high throughput. This gives it a significant advantage in terms of bandwidth and data transmission rate. In contrast, the standardized progress and test verification of NB-IoT have not mentioned specific bandwidth or data transmission rate, indicating that it is not as strong as WiFi 7 in this aspect.
Frequency Band Support
WiFi 7 operates on three frequency bands: 2.4GHz, 5GHz, and 6GHz, with a maximum bandwidth of 320MHz. Although the specific frequency band information of NB-IoT is not clearly stated in the available data, it usually runs on lower frequency bands, such as the 700MHz/800MHz frequency band of LTE Cat-M1. This may mean that NB-IoT has unique advantages in coverage range and penetration capability.
Application Scenarios
WiFi 6 (IEEE 802.11ax) is designed to support the improvement of throughput per unit area in high-density scenarios, making it suitable for indoor environments that require high-speed data transmission. On the other hand, NB-IoT focuses more on low-power wide-area networks (LPWAN) and is suitable for remote monitoring and control of IoT devices, especially in situations where wired networks are difficult to deploy.
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