More details Click here to openIntroduction Click here to open The JDY 18 transmission module is based on Bluetooth 4 2 standard the working frequency is 2 4GHZ the modulation mode is GFSK the maximum transmission power is 0db and the maximum transmission distance is 60 meters using imported original chip design which supports users to modify the name of the device service UUID transmit power pairing passwords and other instructions through the AT command convenient and flexible to use JDY 18 Bluetooth module can realize data transmission between module and mobile phone or module and module and can select UART or IIC communication mode through IO and through simple configuration you can quickly use BLE Bluetooth for product applications ModelJDY 18Working frequency band2 4GTransmit power0db Max Communication interfaceUART or IICWorking voltage1 8V3 6VWorking temperature 40℃ 80℃AntennaBuilt in PCB antennaReceiving sensitivity 97dbmTransmission distance60 metersModule size19 6mm 14 94 2 6Bluetooth versionBLE 4 2 compatible with BLE4 0 BLE4 1 Transparent transmission rate115200 bps sWake up status current4mA Broadcast Light sleep status current300uA Broadcast Deep sleep status current1 8uA No broadcast Instruction parameter savingParameter configuration power down data is savedSTM welding temperature300℃Package includes 1 x Module