Hawking Technology H-BR49 - Manual (Page 18)

Service Name
For identification purposes: if it is
required, your ISP will provide you
with the information.
Max packet size (TCP MSS): Click
the down arrow  to select the most
appropriate MSS (maximum segment
size; the default value is 1452) for
your application. Reducing the packet
size can help enhance connection to
certain web sites or speed up packet
transfer rates. If the incorrect selection
is selected, you may not be able to
open certain web sites.