Ngakhale kuti kufalikira kwapadera kwa mafoni a m'manja , malo otsetsereka amapezekanso kutchuka kwawo. Posachedwapa, m'nyumba ndi maofesi, mmalo mwa zipangizo zamakono, ma audio-telefoni amaikidwa patsogolo. Mungawagwiritse ntchito osati pafupi ndi chipangizo cha telefoni, komanso m'nyumba yonse. Kuwoneka ndi zotchedwa telediofoni yautali.
Kodi telefoni yotalika yayitali ndi yotani?
Zimadziwika kuti ma radiotelefoni amapereka mauthenga a mawu kudzera pa wailesi. Lankhulani za iwo mwakhama kulikonse ku ofesi kapena kunyumba kwanu, ngakhale kusunthira gawolo. Komabe, mawonekedwe a mawonekedwe oterewa sali oposa, monga lamulo, 15-400 mamita. Choncho, sizingatheke kuchoka panyumbamo ndikugwiritsa ntchito kulankhulana kotsika mtengo, makamaka chifukwa chiyero chawo (30-50 MHz) sichilola.
Ndichifukwa chake ma telefoni oyenda ndi machitidwe akuluakulu adalengedwa. Monga malamulo, amagwiritsidwa ntchito m'madera akuluakulu a mafakitale, ma workshop, mafakitale, mabungwe ogulitsa malonda, malonda a zaulimi, malo omangamanga, ndi zina zotero. Kugwiritsa ntchito ma radiotelefoni ochuluka ndi kotheka ndipo, ngati kuli kotheka, kupereka kulankhulana ndi dacha, garaja kapena nyumba. Izi ndizo, pamene palibe chikhumbo kapena kuthekera kugwirizanitsa ndi intaneti yopezekapo.
Kugwiritsa ntchito pafupipafupi kuchokera ku 250 mpaka 400 MHz, mafoni awa amapereka mauthenga pakati pa makilomita asanu kapena makumi awiri m'midzi. M'madera akumidzi, chizindikirochi chikufika pa 25-60 km, zomwe zimadalira maonekedwe ake.
Kodi mungasankhe bwanji telefoni yautali yaitali?
Kusankhidwa kwa foni yamakono ndi malo akuluakulu amatha kudalira pazigawo zingapo. Kwa ofesi ndi bwino kusankha chitsanzo chomwe maziko akugwiritsira ntchito miyeso yambiri ngati n'kotheka. Ndizotheka ngati chipangizochi chikuthandizira ntchito yowunikira wothandizira kapena pali foni. Kukhoza kwa misonkhano kungathandizenso kuthetsa nthawi yogwira ntchito mogwira mtima.
Masiku ano, mutagula mungapeze katundu kuchokera kuzinthu ziwiri zodalirika ndi zaka makumi asanu ndi awiri opanga otsimikiziridwa. Mafoni a Senao EnGenius opangidwa ku Taiwan ndi maofesi osiyanasiyana ogwiritsira ntchito kunyumba ndi ofesi. Panasonic yamakono otalikitsa ma TV oterewa amasiyana mofanana ndi apamwamba kwambiri. Onse opanga amapereka mankhwala awo mosiyana kwambiri mtengo.