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- Serial Transparent Communication – Works like a wireless serial cable replacement
- Fully Compatible with HC-06 – Can pair with existing HC-05/HC-06 devices
- 5V TTL Logic – Directly interfaces with Arduino, STM32, ESP8266, and more
- Default Baud Rate: 115200 bps
- LED Indicator – Shows connection status (blinking = unpaired, solid = connected)
- Compact & Reliable – Small size, low power consumption