Connectme: what is the minimum bandwidth used in the lan/wan?

Connectme: what is the minimum bandwidth used in the lan/wan by the device when no data are transmitted in the application layer of the protocol?
Condition: connectme connected to the LAN and the driver installed on a laptop. The driver is bind with the connectme.
Thanks in advice

Assuming you are using the PlugnPlay version of ConnectME, you can look at Chapter 6 on bandwith determination
http://ftp1.digi.com/support/documentation/90000565_R.pdf