weBoost Drive 4G-X RV (470410) Cell Phone Signal Booster for Your RV or Motorhome – Verizon, AT&T, T-Mobile, Sprint - Enhance Your Cell Phone Signal up to 32x Used. Works great. This will usually increase your cell phone signal by about two bars. I've used this very successfully all around the US and Mexico. We are selling it because we are selling our van. Included everything is you need to operate the weboost. What you see is what you get. Included is the 110 power supply. Not included is 12 volt power supply, what you don't need since the 110 power supply is included. If you want the 12 volt power supply, you can order it online from weboost directly. It costs about $30. These normally retail for about $500 brand new. Save yourself some money and get a used one.