Cheap And Discounts 2PCS E01-2G4M27D nRF24L01 PA LNA 2.4GHz Long Range 5km 27dBm SMA-K DIP SPI Transceiver Wireless RF Transmitter Receiver IoT DIY Wholesale. Buy Directly From Merchant CDEBYTE Wireless IoT Factory Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.