◆ Umlinganiselo wangaphandle wemitha yemitha ye-ultrasonic ye-transducer ye-ultrasonic ibekwe ngokuthe ngqo ngaphantsi kodonga lwangaphandle lwesitya esilinganisiweyo (ezantsi),akukho mfuneko yokuvula umngxuma, kulula ukuyifaka, ayichaphazeli imveliso yesayithi;
◆Inzwa yangaphandle,ngokwenene non-uqhagamshelwano umlinganiselo;
◆Ifanele umlinganiselo ochanekileyo womgangatho wolwelo kwizikhongozeli ezahlukeneyo ezinetyhefu, eziguqukayo, ezinokutsha, ezidubulayo, ezinogqabhuko-dubulo, uxinzelelo olunamandla, umhlwa olomeleleyo kunye nolunye ulwelo lwamajelo osasazo;
◆Le mveliso inokuqonda i-Intanethi yeZinto nge-GPRS kunye ne-Wifi.Le mveliso inokuqonda i-Intanethi yezinto nge-GPRS, Wifi;
◆Inkxaso yomlinganiselo wesiko lokulinganisa.