The Industrial Wi-Fi Shop Podcast – Ep. 21 HaLow Can You Go!

Video Description

Free 3D Printer Plans! • Oscium WiPry790x and Clarity/Lucid DIY bracket posted on Thingiverse. Bring your own hair ties. I have been informed that Printables is better so I will post it there soon. • https://www.thingiverse.com/thing:6991943 Upcoming Events! • Wi-Co  • November 6th – Washington, DC • November 10th – Dublin, Ireland • November 19th – Utrecht, Netherlands • WLPC – Phoenix AZ USA 2026 • Main Conference: 17-19 FEB 2026 • Boot Camps: 14-16 FEB 2026 • Voting for presentations is open • Embedded World North America Annaheim, California • Nov 4-6, Gateworks will be doing a fireside chat with Morse Micro and U-Blox discussing development of AMRs  (AMR = Autonomous Mobile Robots) Jeremy – I submitted two presentation options for WLPC Phoenix! • Common Industrial Deployments for complicated WLANS • Redundant Wireless Links: PRP over wireless, MPO, and other methods. • Voting is open until 11/14 we will put a link in the show notes and check linkedin. • https://www.surveymonkey.com/r/WLPCPHX2026 HaLow Outdoor Site Survey Deep Dive • https://www.thewlpc.com/presentations/802-11ah-wi-fi-halow-outdoor-site-survey-deep-dive-phx-26 HaLow Development kit from Gateworks • https://www.gateworks.com/products/single-board-computer-development-kits/wifi-halow-development-kit/  Morse Micro Community • https://community.morsemicro.com/  Don’t forget to check out our new document library with free valuable downloadable content! • Miliwatt to dBm  conversion table • Wireless IoT reference charts for types and security • Best practice white papers to help you stay on your game IWS Episode 21 – HaLow Can You Go HaLow Basics • Wi‑Fi HaLow is based on IEEE 802.11ah, a standard in the Wi‑Fi family that extends connectivity for IoT and machine‑to‑machine devices .​ • It operates in Sub‑1 GHz frequency bands ( 902–928 MHz in the U.S.), enabling long‑range communication—up to about a1 km outdoors and superior object penetration .​ • HaLow uses narrow channel widths (1–16 MHz), which improve range and energy efficiency compared to traditional Wi‑Fi that uses 20–160 MHz .​ • Supported modulation schemes include BPSK, QPSK, 16‑QAM, 64‑QAM, and 256‑QAM, offering adaptable data rates from 150 Kbps to 80 Mbps (theoretical with 4 spatial streams) depending on channel width and link quality .​ • It relies on OFDM (Orthogonal Frequency Division Multiplexing) to reduce interference and maintain link stability across multiple subcarriers .​ • Features like Target Wake Time (TWT) and long sleep cycles keep devices in low‑power mode most of the time, drastically extending battery life .​ • Security uses WPA3 and Wi‑Fi Enhanced Open, comparable to current enterprise‑grade Wi‑Fi .​ Rumor has it you can link 88 of them together and push 1.21 Gigawatts Frequencies • 900MHz • USA: 902-928 MHz • Australia, New Zealand: 915–928 MHz • Japan: 916.5–927.5 MHz and 920.5–921.5 MHz…trials underway to open up spectrum at 850MHz across Japan for Wi-Fi HaLow • China: 755–787 MHz or sometimes 779–787 MHz • Korea: 917.5–923 MHz and 925–931 MHz • Vietnam: 918–923 MHz • Europe • Wi-Fi HaLow (IEEE 802.11ah) in Europe operates mainly within the 863–868 MHz sub-GHz ISM band, which offers significantly less spectrum compared to the U.S., creating certain ...