Remote control duplicator 1. copy learning code/Fixed code 2. Face to face copy 3. same as origin 4. ... at the entrance.This remote wireless control is fit for car alarms, home alarms, panic buttons, garage door, rolling curtain, etc. It ... home alarms, panic buttons, garage door, rolling curtain, etc Frequency:280-490Mhz Learning code: Fixed code & learning code Copy method: a. Delete the original ...