What is it?

RtlWake.exe is a file associated with belkin wireless network?device drivers and?software.

What does it do?

Apparently it is part of the Configuration and Monitoring utility for the wireless networking device.

The network monitor and configuration utility provides a system tray icon giving quick access to singnal strength,

network status, configuration of SSID encryption,?DHCP and other network?settings.

More info:

May have been included with the software of your belkin wireless?network adapter, router or highspeed modem.