Specifications

HM-BT4502 V1.0
5/ 43 www.hoperf.com
modify serial port baud rate, modify module name. All the above
parameters are saved after power-down;
 Serial port package length can be any length within 240 bytes
(including 240 bytes) (automatic distribution of large packages);
 Support mobile device APP to modify module name, serial baud rate,
product identification code, and customize advertisement content and
advertisement period. These settings can be saved after power-down.
 Support mobile device APP to reset module and set Tx power
remotely.
 Support mobile device APP to adjust Bluetooth connection interval.
The setting can not to be saved after power down.
 Support anti-hijacking password settings, modification and recovery.
Prevent malicious third party connections. Users can also not use
them.
 Advertisement Content prompt the module real-time system status,
including battery power, custom device identification code (suitable for
advertisement application);
 Support internal RTC (real-time clock);