This remote is obsolete. It can be cloned by Steel-line-C if you still have an existing remote. whatever works or not works.
If you dont have existing remote that we cant help you. please contact a local garage door man to figure out a solution.
Please tell us the coding of your current remote ( 9-way switch up and down positions in your existing remote), we will pre-program one before sending out. so you can use it without program. whatever your existing remote working or not.
if you dont have existing remote that hardly to get a replacement. you may need local garage door man to figure out a solution or replace whole lot.