The Frequency is 390 with a modulation of AM650. The FCC ID is HBW1255. Please let me know if you need anything else.
I am not sure if it may be accurate, but with little bit digging, these type of remotes may use the Security+ type of rolling code. I came across this repo https://github.com/argilo/secplus
Not sure if it may be helpful or not.
Raw_signal_2.sub (7.1 KB)