But if I also use a cellular modem card from Verizon or Sprint to access the Internet, won't the two conflict?

但如果我也在使用Verizon或Sprint的无线调制解调器卡上网，二者之间是否会冲突呢？

youdao

Meanwhile, the MultiMobile Powerbook V.90 card modem plugs into the PCMCIA slots of Macintosh PowerBooks.

CNN: New modems and related gear debut

Anyone who's ever installed a sound card, scanner or modem knows that even at its easiest, it still requires a bit of know-how and a fair amount of time.

CNN: module

Every time it needed to process a credit card, it would use a telephone modem to log into the bank.

WSJ: Hackers New Target: Small Firms With Lax Security