Ngakhale kuti kufalikira kwapadera kwa mafoni a m'manja, ma radiotelefoni akadali olemekezeka kwambiri. Iwo amatumikira monga malo abwino kwambiri a foni ya disk mumzindawu, zomwe zakhala zikudziwika kale. Kawirikawiri, ma radiotelefoni amagula ndi manja awiri kuti nyumba izigwiritsidwe ntchito muzipinda zosiyanasiyana.
Mafano Otchuka
Mpikisano wothamanga ndi Panasonic radio ndi manja awiri. Lili ndi ntchito zambiri zosavuta komanso khalidwe lapamwamba lakumanga. Chipangizocho chimaperekedwa mokwanira ndi maziko, omwe ayenera kugwirizanitsidwa ndi makanema a magetsi ndi telefoni, komanso palinso mbali ya foni yachiwiri, yomwe ilibe chingwe chokwanira.
Kufotokozera mothandizidwa, ntchito yogwiritsira ntchito ana, usiku, polyphonic polyphony ndi kachigawo kakang'ono chabe komwe kachidutswa kakang'ono kokha kokha. Chowonetseratu chophweka kwambiri pamunsi, chomwe mungathe kulowetsa manambala. Mwa njira, mpaka manambala 50 akhoza kuikidwa mu bukhu lopangidwa mu foni.
Telefoni yotchuka ya Philips yokhala ndi ma handsets awiri. Zonsezi ndizo mamita 300 pamalo omasuka. Kulemera kwa chubu ndi 105 magalamu 105, omwe ndi ofunikira kwambiri kugwiritsa ntchito kunyumba.
Ma radiotelefoni oterewa omwe ali ndi manja awiri ali ndi ntchito ya msonkhano, kulola anthu angapo kuti azilankhulana kamodzi. Ndipo kwa iwo omwe amataye nthawi zonse chubu, n'zotheka kupeza mosavuta imfayo podalira batani lina.
Chifukwa chakuti nthawi yolankhulana ya mafano otchukawa ndi maola 10-11 popanda kubwezeretsa, ogula ambiri amakonda. Kuti foni yam'manja yomwe ili ndi manja awiri si yonyansa, makamaka ngati imodzi mwa ma tubes nthawi zambiri ikukhitchini, mukhoza kupita kanyenga kakang'ono. Pachifukwachi, foni imakulungidwa mu magawo awiri a chakudya chodziwika bwino cha filimu. Sichimasokoneza makatani osindikizira ndikuyang'ana pawindo, koma amatetezera fumbi ndi mafuta, zomwe zimateteza foni.