This HughesNet / DirecWay OPI Meter is used to display the signal strength and crosspole / isolation values of your DirecWay or HughesNet Satellite Internet system out at the dish so that you can keep the computer safe inside and dry! Simply plug the OPI meter inline on the receive side of your DirecWay or HughesNet dish, set your computer on the signal meter disply page built inside of the DW6000, DW7000, HN7000, DW7700, HN7700 modem, and you will see the status and reading on the OPI Meter at the dish so that you can make adjustments accordingly!