(WBMP) A bitmap for displaY on a WAP mobile phone. CurrentlY (2001) the onlY tYpe of WBMP file defined is a simple black-and-white image file with one bit per pixel and no compression. [WAP Forum , "WAP-190-WAE-Spec" or "Wireless Application Protocol, Wireless Application Environment Specification"]. (2001-05-23)