Yes, the following modules share the same pin layout: BT800 --> BT850 BT830 --> BT860 There are some No Connect (NC) pins on the BT850/860 Products/Parts BT800 BT800-02 BT800-02-T/R BT800-ST-01-T/R DVK-BT800 DVK-BT800-02 BT800 Series Bluetooth Module BT830 Series Bluetooth Module BT830-SA BT830-SA-01 BT830-ST-01-T/R BT830-SA-01-T/R DVK-BT830-SA BT830-ST DVK-BT830-SA-01 DVK-BT830-ST BT850-ST BT850-SA BT851 BT850 Series Bluetooth Module DVK-BT860-SA DVK-BT860-ST BT860-SA BT860-ST BT860 Series Bluetooth Module