Users Manual

HM-BT2204 V1.0
4/ 15 www.hoperf.com
 Support AT commands to adjust the BLE connection interval and
control different forwarding rates (dynamic power consumption
adjustment);
 Support AT commands to adjust the transmit power, modify the
broadcast interval, customize the broadcast data, customize the
device identification code, set the data delay (the preparation time
for external MCU to receive data from serial port), modify the
baud rate of serial port, modify the module name, and support
data preservation when power is off;
 The length of data packet from serial port is up to 240byte (the
large packet will be automatically distributed);
 Support APP to modify the module name and save the data when
power is off, modify the baud rate of serial port and product
identification code, customize the broadcast content and broadcast
cycle;
 Support APP to reset the module and set the transmit power;
 Support APP to adjust the BLE connection interval, but the data
will not be saved after power is off (dynamic power consumption
adjustment);
 Support anti-hijacking password setting, modification and
recovery to prevent malicious third-party connection;