Foshan LINTRATEK technology Co.,LTD, is one of the biggest and professional OEM Manufacturer for MINI repeater(cellphone booster,mobile signal amplifier) 
Major products as bellow: 
2G system: CDMA(GSM850)\GSM900\EGSM\DCS(GSM1800)\PCS(GSM1900)\CDMA450\CDMA800\CDMA1900; 
3G system:WCDMA(GSM2100)\CDMA200; 
4G system:LTE700\LTE2600