Clearwire’s mobile broadband services have so far been strongly focused on laptops but as device types proliferate, it is adding support for Apple Macs and will soon offer code for developers to write drivers for Linux devices like the new breed of netbooks. This is part of the goal of enabling WiMAX services to support a huge range of off-the-shelf devices without carrier testing, as Wi-Fi does ‘ an objective to which Japan’s UQ has already come close with its recent launch, keenly focused on MVNOs with electronics retailers. Next month, Clearwire will introduce client software for linking Apple Mac laptops to its network, the latest in a growing range of devices that also include single-mode and dual-mode (with Sprint…