NetZero today announced the nationwide launch of its mobile broadband service on Sprint’s CDMA network. The launch comes after NetZero in July 2013 signed a five-year agreement with Sprint.

NetZero plans to expand its coverage to Sprint’s LTE network by the third quarter. Customers signing up now and buying a hotspot can try out the network free for up to a year.

NetZero’s broadband data plans start out at free for 200 MB per month and top off at $50 for 4 GB per month. The company sells a $100 hotspot for accessing the service and for a limited time, that hotspot is selling half-off for customers selecting 1 GB ($20), 2 GB ($35) or 4 GB plans.

In addition to the hotspot, NetZero said it plans to offer a USB dongle for connecting to Sprint’s CDMA network. Once LTE becomes available, NetZero said it will offer a dual-mode device that will run on both LTE and CDMA.

When asked about the delay between signing the agreement and launching the service, NetZero Wireless president Rusty Taragan took into account time for procuring devices and setting up customer service channels.

“When you factor in all that had to be done, we don’t think six months is a long delay at all,” Taragan responded.

NetZero originally signed MVNO agreements with both Sprint and Verizon but Verizon in September terminated its CDMA agreement due to “Verizon’s inability to secure acceptable terms from its wireless services provider.”

NetZero launched in 2012. With the new expansion, NetZero says it can reach 276 million people in the U.S.