Cannot tether phone to tablet

I have a LG connect 4G. Android 2.3.6, rooted, and also Asus Memo WE172 4.1.1 Tablet, iam using the Open Garden Wifi Tether, the tablet wifi list doesnt see the Lg phone hotspot, does tablet have to be rooted as well? All other devices i have such as desktop, ipods, xbox, and ipad sees it...

Cannot tether phone to tablet