How much does this cost to the nearest dollar?

Yosoo- EDUP Low Noise Broadband Amplifier 2.4G Antenna 8W WiFi Signal Extender for Wireless Router(US)
Consumer Alert Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device. Brand Yosoo, model number Weight 1.1 Pounds, Manufacturer Yosoo-, Available May 17, 2018, Rank Computer Networking Antennas 1021, Data Transfer Rate 2500 MHz, Connector Type RJ45, Included Components Antenna

Price is $55.00

Price: $54.86