ST-WCDMA2100 Booster detail description: Frequency: WCDMA2100MHz; Manufacturer, ISO 9001; Meet the CE&ROHS certificate. Sample model: ST-3G&2W mobile phone signal boosterIntroduction:Improve mobile signal, expend coverage, overcome the problem of dropped calls;Light weight, small size, beautiful appearance, easy to install;Reduce the power and radiation of the mobile phone, extend the function ...