There is a good reason messages in the log file are stored in HEX format. Your device sending a mixed text/binary format, so please provide original HEX.
Thank you for your answer, the HEX is
242400736962703615952399553135343031322e3937382c412c323232372e373137332c532c30363835352e303834382c572c303030302c3235332c3035313131382c2c2a31437c31312e357c3139347c303030317c303631392c303030307c36373834343030307c303030303030b6d50d0a
Most likely it's Meiligao protocol. Why haven't you tried it?
I will do now if it work
Hi I would like to know if somebody know the name of the next protocol
thanks.