Shyam Telecom Inc. R20-1900 Manuel D’Utilisation

 

 

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All Rights Reserved                      Shyam Telecom Limited                                  10/42 

design with good heat conduction. It is not waterproof and 
therefore, should be installed at indoor locations only.  

 

 

 

 

 

 
 

 Indoor Coverage (Typical Application)

The R20 repeater is designed to provide optimal coverage over an area of 
approximately 1,000 to 2000 sq. meters (10,000 to 20,000Sq ft.). 
However, ultimate performance depends on the obstructions 
blocking/absorbing of the RF signals in side the building and the available 
forward signal level at the donor antenna. Typical coverage is usually 
planned for relatively small areas such as large conference rooms or 
several adjacent rooms in smaller office areas.  
 
Coverage is primarily determined by the available forward signal level at 
the outdoor antenna input, loss due to the RF cable length, type of RF 
cable installed and achievable isolation for optimum R20 performance. 
Indoor coverage varies greatly due to the nature of various building 
construction techniques and materials. Approximations of signal 
level/coverage can be determined with the following assumptions: 
 

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10-to12dBi-donor antenna. 7dBi indoor directional antenna.