Description
Frequency range: Up Link(890-915mhz) Down Link(930-960mhz).💡 NOTE: Please check if the frequency band of your mobile phone is GSM900MHz and try to see if it is compatible before purchase. It doesn’t support AT&T(GSM:850MHz/1900MHz) /Verizon(CDMA:850MHz/1900MHz)/T-Mobile(GSM:1900MHz/850MHz)/Sprint(CDMA:800MHz/1900MHz).💡 NOTE: It just support GSM900 2G voice signal. It doesn’t support 3G/4G Internet access. So when installing the amplifier, remember to turn off the 3G/4G signal of the mobile phone, otherwise you can not see the signal change..GSM 900MHz booster with two antennas for stable and reliable connectivity..Premium alumiunm to reduce radiation to close to zero. Full-duplex, dual-port design..Easy DIY installation, automatic gain control..Complied with FCC PART15 Subpart B Class B: 2014.
