Nextel To Launch Wireless Broadband Trial on 2.5 GHz in Washington, D.C. Area with IPWireless

Trial will offer a range of wireless interactive multimedia and wireless broadband services using IPWireless' UMTS TD-CDMA solution

RESTON, VA, and SAN BRUNO, CA, June 29, 2005 - Nextel Communications Inc. (NASDAQ:NXTL) will deploy a wireless broadband trial based on UMTS TD-CDMA technology from IPWireless, the companies announced today. The field trial will begin during the third quarter in Washington, D.C.; Arlington, Va.; Alexandria, Va.; Reston, Va. and Bethesda, Md.

"The upcoming trial in the Washington, D.C. area is an example of our commitment to evaluate the best available broadband options in order to ultimately deliver cutting-edge services for our customers," said Barry West, chief technology officer at Nextel. "Nextel has conducted lab testing of the IPWireless technology, and this trial will allow us to test the performance and economics offered by the TD-CDMA technology in our 2.5 GHz spectrum."

The trial will allow Nextel to test a range of subscriber services, including broadband access for laptops, desktops or PDAs, backhaul for enterprise campus and a wide array of Wireless Interactive Multimedia Services such as video streaming, online gaming, document collaboration and video conferencing. The trial will allow Nextel to develop and test digital convergence concepts that target business users, consumers, public safety agencies, universities and multimedia content partners.

During the upcoming field trial, Nextel will evaluate network performance and customer satisfaction under real-world conditions. The trial is scheduled to run for a minimum of six months and is not expected to have a material impact on Nextel's financial results in 2005. The trial will be offered only to select Nextel customers and is not expected to be offered commercially to the general public at this time.

About Nextel
Nextel Communications, a FORTUNE 200 company based in Reston, Va., is a leading provider of fully integrated wireless communications services and has built the largest guaranteed all-digital wireless network in the country covering thousands of communities across the United States. Today 95 percent of FORTUNE 500(R) companies are Nextel customers. Nextel and Nextel Partners, Inc. currently serve 297 of the top 300 U.S. markets where approximately 263 million people live or work.

About IPWireless
IPWireless develops advanced standards-based mobile broadband technology. The company's UMTS TD-CDMA technology has emerged as a leading global standard for wireless broadband. TD-CDMA allows operators to offer a spectrum of completely mobile, portable, or stationary end-to-end packet-based services with unmatched economics and true broadband performance. TD-CDMA has the highest average sector capacity, the strongest cell edge performance, and the lowest cost per megabit of any standards-based mobile technology available today, and is deployed by leading operators around the world including announced initiatives with T-Mobile, Orange, Nextel, and PCCW. The IPWireless Partner Program and chipsets allow device manufacturers and infrastructure vendors to very quickly bring innovative new TD-CDMA solutions to market. For more information, visit the company's Web site at www.ipwireless.com.

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