The JDY-27 master-slave integrated transparent transmission module is based on the Bluetooth-compatible 5.1 protocol standard, the working frequency band is 2.4GHZ range, the modulation method is GFSK, the maximum transmission power is 2db, and the maximum transmission distance is 100 meters. It supports users to modify the device name and wave through AT commands. Special rate and other instructions.

Parameters:
Model: JDY-27
Working frequency band: 2.4G
Transmitting power: 2db (maximum)
Communication interface: UART
Working voltage: 1.7V-3.6V
Working temperature: -40℃-80℃
Antenna: Built-in PCB antenna
Receiving sensitivity: -96dbm
Transmission distance: 100 meters
Master-slave support: master-slave integration
Bluetooth-compatible version: BLE 5.1 (compatible with BLE4.0, BLE4.2, BLE5.0)
Wake-up state current: 300uA (with broadcast)
Light sleep state current: <50uA (with broadcast)
Deep sleep current: 1uA (no broadcast)
Command parameter saving: parameter configuration data is saved after power-off
SMT soldering temperature: <250℃
Serial port to mobile phone: 12K Byte/S (support 115200 full-speed transparent data transmission to mobile phone without packet loss)
The phone sends to the serial port: 8K Byte/S
Android MTU support: ≤247 byte
Apple MTU support: ≤185 byte