Edimax BR-6524n Manual page 121

Here are descriptions of every setup items:
Item Name
Client PC Description
Client PC IP address
You also have to select the type of Internet services that will be applied to
this access control rule from the list:
You can select multiple services here. If you wish to deny or allow all
services of certain IP address(es), please select both 'TCP' and 'UDP'.
Description
Please input any text to describe this IP
address, up to 16 alphanumerical characters.
Please input the starting IP address in the left
field, and input the end IP address in the right
field to define a range of IP addresses, or just
input the IP address in the left field to define a
single IP address.