How much does this cost to the nearest dollar?

Cell Phone Signal Booster Verizon Signal Booster AT&T Cell Phone Booster T Mobile 5G 4G LTE 3G Sprint Cricket US Cellular for All U.S Carriers
Features Specification Operation Frequency Band Emission Designator AGC LEVEL Uplink -45.00 Downlink -56.00 Gain Uplink 60±2dB Downlink 62±2dB I/O Port SMA-Female on Both ends Output Power Uplink Downlink Max.Antenna Gain Uplink 8.1dBi Downlink 6.6dBi EIRP Uplink Downlink FCC Classification Consumer Booster(CMRS)Dimensions Weight 1.02kg FCC authentication certificate 30days money-back Package Content 1* 5 Band Cell Phone Signal Booster 1 *

Price is $280.00
Price: $279.99