I rented the device for 21 days to provide me with service in County Mayo--the cottage I had booked there had no WiFi. It worked perfectly from the moment I turned it on, never any hassles and a strong, consistent signal. Friendly, helpful communication with the staff when I needed extra days and when there was some delay with the return (I had asked the desk at my hotel to post it for me and it took a day or so for that to happen.) The unit itself is small enough to fit easily in a pocket or pu...