10pcs JDY-31 SPP-C Pass-through Wireless Bluetooth BLE Module Serial Communication Compatible with CC2541

Manual Click here to open Applications 1 Bluetooth printer2 Bluetooth POS machine3 intelligent home control4 Bluetooth wireless data transmission Features Bluetooth V3 0 EDRBluetooth Class 2Built in PCB radio frequency antennaSupport UART interface3 3V power supplyOperating Frequency Band 2 4GHz 2 48GHz unlicensed ISM band Bluetooth Specification V2 1 EDR Host Interface UART Support Bluetooth SPP protocol the transmission speed of up to dozens of K per second Package Included 10 x JDY 31 SPP C Pass through Wireless bluetooth BLE Module