To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
The device was a little difficult to set up. If you are careful you will get it install in an hour. I bought this bevause I needed a phone line and it worked well, The phone line is not crystal clear like a land line but is close enough for me comparing for the savings i will have it is a good bargain