Ambient backscatter
id:
ambient-backscatter-167-16223053
title:
Ambient backscatter
text:
Ambient backscatter uses existing radio frequency signals, such as radio, television and mobile telephony, to transmit data without a battery or power grid connection. Each such device uses an antenna to pick up an existing signal and convert it into tens to hundreds of microwatts of electricity. It uses that power to modify and reflect the signal with encoded data. Antennas on other devices, in turn, detect that signal and can respond accordingly. Initial implementations can communicate over se
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Ambient_backscatter
date created:
2013-08-15T18:00:24Z
date modified:
2024-08-30T15:37:13Z
main entity:
{"identifier":"Q16002799","url":"https://www.wikidata.org/entity/Q16002799"}
image:
fields total:
13
integrity:
14