Increases indoor signal coverage up to 1200 square feet or 1 - 2 rooms No external antennas – ONE PIECE! Supports 1 to 4 users operating on the same carrier network Compatible with phones, Smartphone’s and data cards using Sprint or MetroPCS Easy to set up – just put it where you get signal and plug it in Extends phone battery life (uses less power when signal is stronger) Protects the operator’s network using patent-pending technologies Eliminates most dropped or missed calls Improves clarity No cradle or connections to your phone Works with phones and carriers at 1900MHZ frequencies Frequency: US PCS 1900 MHz Band Uplink: 1850 - 1910 MHz Downlink: 1930 - 1990 MHz Networks: CDMA, GSM, TDMA, GPRS, EDGE, 1xRTT, EVDO, HSPA Unit weight: 1.2lbs Unit Size 10" x 9" x 3.5" Coverage Area: Up to 1,200 sq ft