KIRKLAND (WiMAX Day). In an effort to offer customers greater portability and ease of use for its services, Clearwire Corp is offering a PC Card to enable access to its high-speed network. The PC Card is available for use with laptop computers, and according to a company press release, will provide Clearwire customers with speeds of up to 1.5 Mbps. Clearwire said that the PC Card will be available through all its retail locations, and will be able to access the Clearwire network in all locations.