How much does this cost to the nearest dollar?

RW RoutersWholesale 2.4GHz / 5GHz Dual-Band (RP-TNC) Antenna Compatible/Replacement for Cisco AIRONET (White) 4PACK
The antenna operates in both the and 5-GHz frequency bands and is designed for use with Cisco Aironet and 5-GHz radio products that have dual-band reverse-polarity TNC (RP-TNC) antenna ports. The antenna has a nominal gain of 2 dBi in the frequency band and 4 dBi in the 5-GHz frequency band. Operating frequency range 2400 to 2500 MHz 5150 to 5850 MHz Nominal input impedance 50 Ohms VSWR Less than 2 1 Peak Gain @ 2.4. GHz

Price is $40.00
Price: $39.99