Full Duplex 2.4GHz RF Wireless Serial Module Transceiver 12dBm 800m IPEX Stamp Hole CDSENET E65-2G4T12S Continuous Transmission WholesaleBuy Directly From Shop2798183 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.