... , reduce cellphone transmit power and radiation.4) Wide band feature enables all devices operating within the wide frequency range of ... throughout a building can benefit from a wireless repeater, extended phone battery life.6) LED light working and signal condition ... Models: C10H-GSM, C10H-CDMA, C10H-DCS, C10H-PCS, C10H-WCDMA C10H single band mini booster/cell phone booster/mobile Signal amplifier