<![CDATA[EC21 Product Catalogs - bluetooth module]]> <![CDATA[Low-power BLE4.2 Bluetooth Module with UART Serial Communication]]> <![CDATA[Wireless Sensor Low Energy Waterproof Bluetooth 5.1 Nfc Ble Beacon Card Supports Ibeacon Eddystone]]> <![CDATA[SMT/SMD RF Circulator 902MHz-928MHz Counter-Clockwise 30w Pass Power 50ohm WINNSKY Factory Offer]]>