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3 months agoIt sounds like you’re thinking of LoRa, another 900MHz radio protocol.
LoRa has similar bandwidth to Zigbee (125kbps), and as you say is designed for low-power devices running on battery. I have PIR motion sensors at home which have used only around a third of their battery after 2 years.
Security cameras seems to be a large target market for HaLow though, where you need a couple of megabits at a few hundred metres.
The website also shows a large unpopulated section of PCB near the network jack with “PoE” silkscreened:
https://assets.raspberrypi.com/static/3f5c4569bdef13d9e0bcfce8d5e2d780/00863/disassembled.webp
PoE built in could make this a very interesting device indeed.