4 ms·
dupe-ish: LoRa Backscatter [pdf] | https://news.ycombinator.com/item?id=15201692 https://news.ycombinator.com/item?id=15201692 (1 day ago) > ac29: 900MHz is h
by j_s 9y ago
dupe-ish: LoRa Backscatter [pdf] | https://news.ycombinator.com/item?id=15201692 https://news.ycombinator.com/item?id=15201692 (1 day ago)
> ac29: 900MHz is heavily used in the US and describing the noise as "background" or "random" is disingenuous at best.
> Nelkins: There has been some prior work on this:
> junkcollector: Active RFID. The same technology in any meaningful sense.
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related: LoRaWAN packet received at record distance of 702 km | https://news.ycombinator.com/item?id=15201692 https://news.ycombinator.com/item?id=15201692 (7 days ago)
> aw3c2: From a balloon in almost 40km altitude.
- ColanR 9y agoThat's the same link twice...did you mean to post two different HN links?
- j_s 9y agoOops, my bad -- the first link to the dupe should have been: https://news.ycombinator.com/item?id=15246659 https://news.ycombinator.com/item?id=15246659 Thanks for double-checking. Serves me right for trying to be helpful on my phone!