Wireless Extenders is a simple solution to your indoor signal problems. The Directional Indoor Base Unit Antenna increases cellular phone signal strength indoors so you will have a strong, clear reception in indoor areas where you did not before. The antenna grabs the outdoor signals and brings it in for you to use with your cellular phone, so come inside to your new cell zoneWEXYX027DPC. YX027DPC. Wireless Extenders WIRELESS EXTENDERS YX027-DPC PCS-CEL Directional Indoor Base Unit Antenna.