Indoor Window Mountable Antenna kit for Clear/Sprint 4g LTE Internet 16.3db Indoor Window Mountable Flat Panel Antenna with suction cups. Our featured flat panel antenna design customized for Indoor Use. Excellent for customers that need a low profile antenna but still achive higher gain/signal quality. This antenna unit is compatible with all series of CLEAR wimax / Sprint Spark* LTE modems. Comes with 20' White Cable and Modem Adapter (Send message if you need adapter for Netgear 6100D)