Cheap And Discounts 10PCS Wifi Antenna 490Mhz 4dBi High Gain TX490-JKD-20P SMA-J Interface Foldable Antenna for LoRa Spread Spectrum Wireless Module Wholesale. Buy Directly From Merchant CDSENET Communication Equipment Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.