Wireless InSite Release 2.6, includes important performance enhancements and new modeling capabilities. Most notable are the introduction of the X3D Ray Model with multi-threading and XStream® GPU acceleration, as well as the extension of XStream technology to the Moving Window FDTD (MWFDTD) model. As with Remcom’s XFdtd® software, XStream is bundled at no additional cost with the new release of Wireless InSite.