Replaces standard outside/attic omni-directional antenna with directional antenna that can be mounted on the inside of a window.  Attaches to window with supplied suction cups. Antenna gain is 6 dBi for the 800 MHz cellular band and 9 dBi for the 1900 MHz PCS band.

 NOTE: This Product is an option for the zBoost YX510 PCS-CEL Dual Band