2024-12-17[2.4A]    1. Fixed a bug where packet reception could be held for a certain period.
                    2. Fixed other minor bugs.

2023-11-14[2.3B]    1. Bug fix for factory reset failure under a specific condition.
                    2. Bug fix for TCP connection delay under specific conditions.

2023-01-17[2.3A]    1. Supports Multiple Connection (Max. 8 channels)
                    2. Support AT+PLS Command on ATC mode
                    3. Improves RFC2217 function
                    4. Fixes some minor bugs

2021-11-25[2.2A]    1. Initial Release