NetZero Wireless, a subsidiary of United Online, began offering a 4G Mobile Broadband data service on the Clearwire network, with no-cost or low-cost pricing. An entry plan is $0 for 200MB of monthly data. The next tier is $9.95 per month for 500MB. Customers are not required to sign a contract. Modems cost $49 for a USB stick or $99 for a Wi-Fi mobile hotspot supporing up to 8 devices.

The NetZero service launches today in over 80 cities nationwide, including New York, Los Angeles, Chicago, Houston, Philadelphia, San Francisco, Washington, D.C. and Miami.