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Wi-Fi HaLow (IEEE 802.11ah) is a powerful middle ground. It offers higher throughput (up to 32 Mbps) than both LoRaWAN and NB-IoT, while still providing extended range (up to 1 km) and low power consumption suitable for multi-year battery operation. It also offers seamless IP-based integration and supports over 8,000 connections per access point, unlike the lower data rates of LoRaWAN and the cellular dependency of NB-IoT.
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AsiaRF’s Wi-Fi HaLow modules (like the MM610X-001) are tested to support up to 1 kilometers (1000 meters) in a clear Line-of-Sight (LOS) rural environment. In dense urban settings, the range is lower due to obstructions like 400 meters, but HaLow’s sub-1GHz frequency offers 10 times greater penetration than conventional Wi-Fi, providing superior coverage in multi-level buildings and industrial zones.
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Why do we recommend elevating access points?— Understanding the Importance of Fresnel Zones
Q: What is a Fresnel Zone?
A:Fresnel Zone is a crucial concept named after physicist Augustin-Jean Fresnel, which describes the propagation path and interference of signals in wireless transmission, situated between and around transmitters and receivers. It finds applications in various fields, including optics and wireless communications, aiding in the design of antenna systems for optimal performance. To establish Fresnel Zones, one must first determine the Radio Frequency Line of Sight (RF LoS), the straight line between transmitter and receiver, and then delineate the area surrounding the RF LoS.
Q: How does the Fresnel Zone affect the positioning of Access Points?
A: The Fresnel Zone comprises a series of elliptical areas, with the size of these ellipses assisting in predicting whether r obstacles along the path will cause interference.When the Access Point is positioned at a higher elevation, it can reduce obstruction from ground-level obstacles, ensuring a more stable and reliable wireless connection.
Q: What impact does elevating Access Points have on network performance?
A: Elevating Access Points can enhance coverage, reducing signal weaknesses and dead zones, thereby enhancing the overall performance and stability of the network. This is particularly crucial for locations requiring extensive coverage, such as office buildings, schools, and hotels.
If you would like to learn more information and calculation formulas,please check with:Fresnel zone – Wikipedia
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