33dBm 2watts 900MHz Signal Booster MGC AGC ALC

2watts GSM900mhz signal booster ST-900&2W Max coverage 3000sqm What is the booster?Cell phone signal booster (also named repeater, amplifier) is a product designed to solve the mobile phone blind signal. As the mobile phone signal is transmitted by electromagnetic waves to establish a communications link, however there are a lot barriers make it is unavailable to get sound signal. When people enter some tall buildings, some places basement malls, restaurants and parking lot, some places of entertainment such as karaoke sauna and massage, some public place such as subway, tunnel and etc. where
33dBm 2watts 900MHz Signal Booster MGC AGC ALC