... 65dB 1 year warranty mobile signal booster wcdma21001. (1)use: indoor ,to expand the cellphone signal wcdma booster kit here the signal is weak or ... ,33dbm,37dbm,40dbm,43dbm,46dbm.(2)frequency can be:GSM900MHz,DCS1800MHz,WCDMA(3G),CDMA850MHz,CDMA450MHz,CDMA1900MHz,IDEN,EGSM,BLUETEETH, ... GB6993-86 standardElectromagnetic CompatibilityComply with ETS300 609-4 standard mobile signal booster wcdma2100