Sharul Kamal Abdul Rahim, <br/><br/>
Active antenna beamforming networks using butler matrices / 
Sharul Kamal Abdul Rahim. 
 - vii, 136 pages :  illustrations ;  24 cm. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9789835215667  RM35.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wireless communications systems.<br/>Beamforming.