Features :

1. It’s easy to use and completely encapsulated.
2. You can set it as a slave or master.
3. You can use the AT command set the baud rate.
4. Coverage up to 60 meters.
5. Built-in PCB antenna.
6. UART design.
7. Support bridge direct-driven mode simultaneously (no need for extra CPU).
8. 20ms connection interval (default), quick to connect; Support AT instruction, to modify the baud rate of the serial port, gain MAC address and modify module name.
9. Support AT instruction, to adjust the Bluetooth connection interval and control the forwarding rate (dynamic power consumption adjustment).
10. Support APP; IO expansion.
11. 2 channel ADC input (14 bit).
12. 4 channel PWM (120Hz) output.
13. The RSSI successive acquisition, auto read, and notification to APP (used in anti-lost alarm).
14. Power indicator/alert.
15. Support anti-hijack password setup, modification, and restoration.
16. Ultra-low power consumption standby mode.