... will get great convenience . Name900/1800 & 850/1900 mhz Dual band booster DescriptionTechnical Features:*Receiving and sending separation,low require ... Mini design with metal cavity filter technology inside.*Full-duplex&dual-port design,and built-in power supply,making it convenient ... ,levels as the mobile signal booster goes to work! Dual band gsm mobile signal ,gsm indoor booster,gsm home ...