... 1900MHz 2.CE,FCC 3.2 Years Warranty 55dB signal booster,mobile signal repeater 1.This Dual Band Repeater kit is 850MHz ... .S. Cellular, Bell Mobility, Cellular One, Cellular South, Rogers Wireless, which operating on the frequency of 850MHz Cellular and 1900MHz ... for installation. Application: Helloway™ HW8050 55dB Cell Phone Signal Booster reduces dropped calls and improves the voice quality in your ...