Cablevision Ads Attack Slow 3G NetworksCablevision Ads Attack Slow 3G Networks

Cablevision Systems Corp. (NYSE: CVC) is poking fun at congested 3G networks in two new TV spots that it plans to debut on Monday. What's more reliable than 3G? Cable-powered WiFi, the ads say.

With AT&T Inc. (NYSE: T) sucking wind thanks to the popularity of Apple Inc. (Nasdaq: AAPL)'s iPhone and other mobile devices, major MSOs such as Cablevision, Time Warner Cable Inc. (NYSE: TWC), and Comcast Corp. (Nasdaq: CMCSA, CMCSK) have been stepping up their focus on building WiFi hotspots. Rather than charge additional fees for WiFi access, the operators are using WiFi as a way to drive high-speed data subscriber growth and retention.

Here are the ads: