MOBITEK EC20 4G router can restrict device (client) based on MAC address but not IP address.

• The intended device (client) must be connected to MOBITEK EC20 4G router first so that it can appear in the client list of MOBITEK EC20.
• To check the client list, go to “Network Map” -> click “Client Status” -> check the IP address in “Client List”. Click “Refresh” if the IP address is not in the “Client List”:-
  
• To block the device, simply click the “cross icon” that belong to the IP address in the “Client List”:-
  
• You will get below popup message. Click “OK”:-
  
• The device is now in “Blocked Client List”. Click “Apply” to apply the changes made:-
  
• To unblock the device, just click the “add icon” that belong to the IP address in the “Blocked Client List”:-