Yes, Brazils Blackberry Slate can be used for exterior applications in hot climates. The device is designed to operate in a wide range of temperatures, typically from 0°C to 35°C (32°F to 95°F). However, it is important to note that extreme temperatures, especially excessively high temperatures, can still negatively impact the performance and longevity of any electronic device, including the Blackberry Slate. Users should also ensure that the device is protected from direct sunlight, which can further increase the heat exposure.