A.無線網(wǎng)卡IP地址不正確 B.無用戶網(wǎng)卡與MODEM連接故障 C.智能無線MODEM未設(shè)置自動(dòng)撥號(hào)上網(wǎng) D.無線網(wǎng)卡故障
A.傳輸損耗低 B.彎曲半徑大 C.抗干擾性強(qiáng) D.傳輸頻帶寬
A.INTERNET B.VOIP C.TR069 D.OTHER