How much does this cost to the nearest dollar?

SureCall OTR Cell Phone Signal Booster for Trucks, Work Vans, Fleets, Boosts 5G/4G LTE, Verizon AT&T Sprint T-Mobile, Large Vehicle RV Trailer, Multi-User, FCC Approved, USA Company
Stay connected everywhere on the road with OTR from SureCal. It is the most powerful large vehicle cell phone signal booster that includes SureCall’s high-performance antenna optimized for trucks, work vans, fleets, trailers, off-road vehicles, and RVs. OTR boosts cellular signals for all carriers including AT&T, Verizon, and T-Mobile, providing faster data speeds, improved voice quality, fewer dropped calls, and a more consistent audio and video streaming experience while on the road, even in the weakest signal areas. It provides the maximum gain and power

Price is $400.00
Price: $399.99