The temperature to which you are referring is called the glass transformation temperature. This is the temperature range at which glass changes from exhibiting solid characteristics to exhibiting liquid characteristics.
It looks like HughesNet is trying their best to keep pace with new competition from Verizon's fixed LTE service Home Fusion, which offers users service in $60 (10 GB cap), $90 (20 GB cap) and $120 (30 GB plan) flavors.
This policy establishes an equitable balance in Internet access for all HughesNet subscribers. Hughes assigns a Data Allowance to each service plan that limits the amount of data that may be downloaded or uploaded within a one-month period.