Akwai hanyoyi guda biyu na coding
(kofar garage)ana amfani da su a cikin ramut na rediyo, watau kafaffen lamba da lambar juyi. Rolling code samfuri ne da aka haɓaka na ƙayyadadden lamba. Ana amfani da hanyar yin coding a kowane lokaci tare da buƙatun sirri.
Hanyar coding code tana da fa'idodi masu zuwa:
（ gareji kofa nesa)1. Sirri mai ƙarfi, canza lambar ta atomatik bayan kowace ƙaddamarwa, kuma wasu ba za su iya amfani da "lambar ganowa" don samun lambar adireshin ba;
(kofar garage)
2. Ƙarfin coding yana da girma, adadin lambobin adireshi ya fi ƙungiyoyi 100000, kuma yiwuwar "kwafin code" da ake amfani da shi kadan ne;
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3. Yana da sauƙi don yin code, code ɗin rolling yana da aikin koyo da adanawa, baya buƙatar amfani da ƙarfe na ƙarfe, yana iya yin code akan rukunin yanar gizon mai amfani, kuma mai karɓa yana iya koyon har zuwa 14 daban-daban masu watsawa, wanda ke da girma. mataki na sassauci a cikin amfani;
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4. Lambar kuskure ƙarami ne. Saboda fa'idodin coding, kuskuren aikin mai karɓa lokacin da bai karɓi lambar gida ba kusan sifili.
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Ƙarfin coding na ƙayyadaddun lambobin shine 6561 kawai, kuma yuwuwar maimaita lambobin yana da girma sosai. Ana iya ganin ƙimar coding ɗin ta ta hanyar haɗin haɗin gwiwa na siyar ko samu ta hanyar "lambar interceptor" akan wurin amfani. Don haka, ba ta da sirri. Ana amfani da shi musamman a lokatai tare da ƙarancin buƙatun sirri. Saboda ƙarancin farashi, shi ma an yi amfani da shi sosai.
(kofar garage)
