I own Hiboost repeater for calls which I purchased for 399 euro. I found similar products by up to 3 times cheaper on ebay later and was very frustrated with the price. I even called custom services to get a clear explanation from them about such a high price. They answered that this is value for the money cause the booster has some smart software that protects from overlapping mobile operator networks and its crucial for home users like me. If mobile operator notices any interference, Ill get a huge fine. In fact, the item works almost for a year now and i have 4 or 5 bars in my house against only one bar next to the window in the kitchen. So Im very happy with the purchase. Though it may be cheaper it seems very high quality construction.