BRIEF-Beijing BDStar Navigation to buy Canada's Rx Networks for C$31 mln

(Refiles with correct link) March 23 (Reuters) - Beijing BDStar Navigation Co Ltd * Says it plans to buy Canada's Rx Networks for C$31 million ($23.26 million) Source text in Chinese: http://bit.ly/2nV63qR Further company coverage: ($1 = 1.3325 Canadian dollars) (Reporting by Hong Kong newsroom)