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Hua Yun 20 Ntsiab RF 433 Chaw taws teeb tswj HY-021
RF chaw taws teeb tswj, yog lub wireless electromagnetic yoj teeb liab kom ua tiav cov kev tswj ntawm cov khoom siv hluav taws xob, lawv tuaj yeem hais lossis tsav lwm yam khoom siv hluav taws xob los yog hluav taws xob kom ua tiav ntau yam haujlwm, xws li kaw lub voj voog, txav tus kov, pib lub cev muaj zog, thiab tom qab ntawd cov tshuab ua kom tiav cov haujlwm yuav tsum tau ua.Raws li ib yam ntawm cov chaw taws teeb tswj ntxiv nrog infrared chaw taws teeb tswj, nws tau dav siv nyob rau hauv chaw nres tsheb qhov rooj, hluav taws xob qhov rooj, txoj kev rooj vag chaw taws teeb tswj, tswb tswb, muaj kev tswj thiab wireless ntse tsev.
