Cheap And Discounts Holyiot NRF51822 iBeacon BLE 4.2 Bluetooth Module Indoor Positioning Beacon Long Range Programable iBeacon Eddystone Iot Devices Wholesale. Buy Directly From Merchant Shop1103575143 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.