B43 or b43 may refer to:
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Broadcom b43
Broadcom Inc. is an American designer, developer, manufacturer and global supplier of a wide range of semiconductor and infrastructure software products. Broadcom's product offerings serve the data center, networking, software, broadband, wirel ...
, linux wifi-driver and firmware
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Bundesstraße 43
''Bundesstraße'' (German for "federal highway"), abbreviated ''B'', is the denotation for German and Austrian national highways.
Germany
Germany's ''Bundesstraßen'' network has a total length of about 40,000 km.
German ''Bundesstraßen'' ...
, a German road
*
B43 (New York City bus)
The Graham Avenue Line and Tompkins Avenue Line were two public transit lines in Brooklyn, New York City with the Graham Avenue Line running mainly along Graham Avenue and Manhattan Avenue and the Tompkins Avenue Line running mainly along Tompk ...
in Brooklyn
*
B43 nuclear bomb
* B43, an anti-
CD19
B-lymphocyte antigen CD19, also known as CD19 molecule ( Cluster of Differentiation 19), B-Lymphocyte Surface Antigen B4, T-Cell Surface Antigen Leu-12 and CVID3 is a transmembrane protein that in humans is encoded by the gene ''CD19''. In humans, ...
antibody
*
B-43 Jetmaster
The Douglas XB-43 Jetmaster is an American 1940s jet-powered prototype bomber. The XB-43 was a development of the XB-42, replacing the piston engines of the XB-42 with two General Electric J35 engines of 4,000 lbf (17.8 kN) thrust eac ...
, an aircraft
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