Here are some key features of the QJ61BT11N module:

Serial Communication: The module supports two serial communication channels, Channel 1 and Channel 2, which can be independently configured for different protocols.

Protocols Supported: The module supports various protocols such as RS-232C, RS-422, and RS-485. It also supports protocols like Modbus RTU and ASCII, allowing compatibility with a wide range of devices.

DataTransfer Modes: The QJ61BT11N module offers different data transfer modes, including the cyclic communication mode, batch transfer mode, and event-driven transfer mode. These modes provide flexibility in configuring the communication setup according to the application requirements.

Communication Speed: The module supports different baud rates for communication, ranging from 110 bps to 115,200 bps, depending on the protocol and the connected device's capabilities.

Data Monitoring: It provides data monitoring and debugging capabilities through LED indicators for transmit/receive status, error detection, and communication activity.