SmoothTalker Home Stealth Z6 Signal Booster Best for locations with good outdoor but poor indoor signal Max Gain – Z660: +60 dB - Z665: +65 dB - Z670: +70 dB Max Coverage – Z660: 2500 sq ft - Z665: 5000 sq ft - Z670: 10000 sq ft Variety of convenient outside antennas $599.99 Choose Options
