China GrenTech Corporation Limited, a leading developer of radio frequency technologies, a leading provider of wireless coverage products and services and a base station RF products provider in China, today announced that it has won a bid to build indoor wireless coverage systems at the Olympic Games stadiums in Beijing, starting construction in the fourth quarter of 2006. China GrenTech will provide turnkey solutions, including equipment and related services, for the indoor coverage systems supporting GSM and 3G mobile networks at the stadiums.