CALL CAPTURE CC819-W1-ADH-A Call Capture 2500

FOR ALL PHONES EXCEPT NEXTEL; WIRELESS IN-HOME/BUILDING SOLUTION THAT COVERS 2500 SQ FT; WORKS WITH 800/1900 MHZ CELLULAR PHONES; INCLUDES BI-DIRECTIONAL AMPLIFIER UNIT, DIRECTIONAL ROOM ANTENNA, DIRECTIONAL WINDOW ANTENNA, RF CABLE & AC POWER ADAPTER SUBCATEGORY2: UNIVERSAL PHONE ACCESSORIES.