A 2.4 GHz label alone does not prove that a replacement remote will work. The transmitter and receiver must use a compatible radio protocol and pairing system.
Start with exact model identity
Record the brand, model number, product family and any controller or receiver part number. Search the original manual and manufacturer parts information before trying a generic transmitter.
Check protocol and receiver
Different systems can operate in the same 2.4 GHz band while remaining completely incompatible. Some replacements require changing both transmitter and receiver.
Use compatibility evidence
This site distinguishes confirmed, likely, unverified and incompatible relationships. “Confirmed” should be backed by manufacturer documentation, an exact verified listing/manual or documented testing.