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FEASYCOM, one of the leading manufacturers and suppliers, brings you the MFI available AT command 4.0 bluetooth dual mode module with GATT SPP and beacon function FSC-BT821. Welcome to wholesale the quality products with us.link:http://www.feasycom.net/bluetooth-module/bluetooth-dual-mode-module/mfi-available-at-command-4-0-bluetooth-dual.html