This is the display format associated with the broadcast of slow-scan television. This legacy format was used to transmit a static image given limited bandwidth through the use of specialized software.
WBMP is a bitmaps wireless application protocol. Files with the extension .wbmp contain bitmap black and white images. In WBMP format monochrome images are in pixels. Pixels are presented in the form of units, are stored as white and pixels, represented as pairs are stored as black. WBMP images are used in a variety of mobile phones.