gsm repeater F15 dual band is wide dual band consumer repeater to support any mobile system exsiting in the world to help end users to improve mobile signals for much better phone call quality and smoother data transmission. It is designed to support coverage area up to 1500square meters with proper engineering.  F15 dual band supports the two systems of GSM+DCS, GSM+WCDMA, CDMA+PCS, CDMA+AWS, etc. Below are the main features. 

1.  The consumer repeater is an ideal solution for providing a cost effective improvement in cellular in-building coverage of a home, office, restaurant or building, in the quickest time possible.

2. To maintain safe and specific output signal levels and give alarms on self-oscillation, the repeater has built-in AGC and ALC circuits, which can automatically control the gain of the repeater depending upon the strength of input signals. 

^{3. Manual gain control (MGC) available for both uplink and downlink to adjust the gain value for proper coverage} 

_{4. Auto shut off function available for both uplink and downlink to avoid deep self oscillation from jamming the towers, saving your trouble from operators.} 

5. Wide band feature enables all devices operating within the wide frequency range of the repeater to see an improvement in performance.

6. Multiple phones and other handheld devices throughout a building can benefit from a wireless repeater.

7. Supports up to (50) users / calls simultaneously. 

8.  Extended phone battery life. (Your phone does not need to put out as much power due to improved reception.)

_{9. No more running outside or near windows to complete your calls or receive pages.}