The weBoost Drive 4G-S is a cradle amplifier that wirelessly enhances cell signals for only one device. With up to +23 dB (decibel) gain, it provides stronger signals, longer battery life, and clear connections to your cell phone. With over 40 years of industry-leading telecom experience, weBoost by Wilson Electronics has been solving frustrating cell phone reception problems with FCC-certified signal boosters for weak signal areas in the city or remote, rural areas. Easy to install, complete DIY kit.