The columns in Table 1 are as follows:

Wireless Technology and Frequency  refer to the wireless networks with which the device can communicate. See Table 2 for additional details on these networks, including a sampling of carrier and brand names.

Manufacturer and Model are self-explanatory.

Java[tm] Software lists the standard software specifications and packages that the device supports. Devices may support additional, nonstandard APIs, but these are not listed here.

Screen describes the device's screen, both its resolution in pixels and its color depth. Color depth refers to the number of bits per pixel that are used for color information. One bit implies straight black and white, while two bits or four bits usually refers to four or sixteen levels of gray, respectively.