title: QDR
text: # QDR
  
  QDR may refer to:
  
  ## Science and technology
  
  * QDR, a Q code request for heading (bearing)
  * Quad data rate, a communication signaling technique
     * InfiniBand, a computer network communications link used in high-performance computing
     * Quad Data Rate SRAM, a type of computer memory that transfers data using QDR
  
  ## Other uses
  
  * Quadrennial Defense Review, a former four-yearly review of US military objectives
  * Qatar Domain Registry, the operator of the .qa ccTLD
  * WQDR-FM, a US radio station
  * Queda de Rins (literally "fall on the kidneys"), in the list of capoeira techniques
  