5. Thaiv: Lub wireless chaw taws teeb tswj siv siv UHF zaus band teev los ntawm lub teb chaws. Nws cov yam ntxwv nthuav tawm zoo ib yam li lub teeb. Nws kis tau nyob rau hauv ib txoj kab ncaj nraim thiab muaj me me diffraction. Yog tias muaj phab ntsa ntawm lub transmitter thiab receiver, qhov chaw taws teeb tswj kev deb yuav raug txo kom tsawg. Yog hais tias nws yog reinforced Cov nyhuv ntawm cov pob zeb pob zeb yog qhov phem dua vim qhov nqus ntawm cov hluav taws xob tsis zoo los ntawm tus neeg xyuas pib.