REPLACEMENT PARTS FOR Cell Phone Signal Booster for Home and Office - Band 66 Band 4 Cell Phone Signal Repeater Amplifier for Verizon AT T 4G LTE - High Gain Panel/Yagi Antennas Extend Coverage Up to 4,500Sq Ft (NOT COMPLETE, REPLACEMENT PARTS ONLY) PICTURED REPLACEMENT PARTS ONLY, (USED) WORKING CONDITION INCLUDES THE INDOOR PANEL ANTENNA AND SIGNAL BOOSTER ONLY, NO OUTSIDE ANTENNA INCLUDED, NO POWER SUPPLY INCLUDED, NO EXTRA CABLES INCLUDED, For Verizon or AT T 4G LTE Only. make sure to check which frequency your at t signal is before purchasing. Feel free to message for any questions FREQUENCY:: 600 - 960 // 1710 - 2700 Mhz GAIN:: 6/8 dBi V.S.W.R:: 1.5