Chipset Nordic nRF52840 Certification CE FCC RoHS Function Broadcasting Advertisement Application Internet of Things, SmartHome Sensors etc Dimensions 27.55*11.3mm Type BLE Module Frequency 2.4Ghz Interface USB-UART 包装和发货信息 Packaging Details 防ESD保护包 销售单位: 单一商品 单品包装尺寸: 13X9X8 ...