Band 1 & Band 3 Long Range 3G 4G LTE Repeater Dual Band Network 1800 2100MHz Cell Phone Signal Booster is Dual band high gain & power mobile repeater that amplifies voice, text and data in 1800 and 2100 MHz at a time.3G,4G LTE mobile phone booster & repeater for wide band, band selective, digital and optical fiber, indoor & outdoor wireless coverage solution. OEM & ODM are welcome!