Remotek's RP12 broad band indoor repeater has been designed to transmit mobile singles to dead spots of buildings, underground parking lots, restaurants, and offices areas where mobile signal penetration is very low or not present. Below you could find Remotek RP12 features and specification for your best study: Features: 1.Greatly improves mobile phone performance 2.Economical solution for extending signal coverage 3.Automatic gain control function to have good communication quality 1.Excellent quality, high stability 2.Low Return Rate less than 0.5% 3.Low Maintenance Fee 4.Easy installation: It's easy to install without too much professional knowledge 5.Good-looking Design 6.Coverage area: around 500-1500 square meters (depends on the environment factor and input power)