Item Type: Module ModelJDY-23 Working frequency band2.4GHZ Transmit power4db(maximal) Communication interfaceUART Working voltage1.8V-3.6V Working temperature-40℃-80℃ AntennaBuilt in PCB antenna Receiving sensitivity-97dbm Transmission distance60 meters Master-slaveSlave for Bluetooth versionfor BLE 5.0(compatible with BLE4.0, for BLE4.2) Wake-up state current800uA(Broadcast) Light sleep state current<50uA(Broadcast) Deep sleep state current9uA(No broadcast) Instruction parameter savingParameter configuration power down data is saved STM welding temperature<260℃ rf-TX/RX peak-value current5mA 1、Adopt imported original chip design, support users to modify the devices name, baud rate and other commands through AT command, convenient and quick to use 2、It is based on the for Bluetooth 5.0 protocol standard, the working frequency band is 2.4GHZ range, and the modulation mode is GFSK. 3、The maximum transmission power is 4db and the maximum transmission distance is 60 meters. 4、Can realize module and mobile phone data transmission 5、By default, you can quickly use for BLE for Bluetooth for product applications without configuration 1 x Module