How much does this cost to the nearest dollar?

SureCall 2.0 RV Cell Phone Signal Booster Kit for Recreational Vehicles, All Carriers 3G/4G LTE
The 2.0 RV cell phone signal booster by SureCall increases cellular signal strength for voice, text and 4G LTE data on all North American cell carriers, including AT&T, Verizon, Sprint and T-Mobile. With improved performance, a smaller footprint and auto-adjusting gain, 2.0 RV provides the maximum gain and power possible for a recreational vehicle signal booster ensuring seamless connectivity wherever the road takes you. Setup has been simplified with a smaller footprint (no cradle or docking station required), and features auto-adjusting gain so there are no dials needed for adjusting attenuation. 2.0 RV is equipped with a high-gain

Price is $400.00

Price: $399.99