baseband chip
noun [ C ] electronics, internet & telecoms specialized uk/ˈbeɪs.bænd ˌtʃɪp/ us/ˈbeɪs.bænd ˌtʃɪp/ (also baseband processor, /ˈbeɪs.bænd ˌprəʊ.ses.ər/ /ˈbeɪs.bænd ˌprɑː.ses.ɚ/)
（智能手机或平板电脑中的）基带芯片
a small device inside a smartphone or tablet that controls the way radio signals are received and transmitted