Shakespeare Super Halo Cell Booster - At&T, T-Mobile, Verizon - 2G,3G & 4g
Five band - Works with AT&T, T-Mobile and Verizon 2G, 3G, & 4G networksStealth technology - Uplink becomes dormant while not in use to save powerAutomatic gain control (AGC) - Does not overpower or interfere the cell sitesAutomatic shutdown - Energy efficient and does not interfere with the cell sitesManually adjustable gain - Flexibility in antenna placement and fine-tuning the systemHigh quality metal construction - Durable and resilientFCC certified - Safe and legal