Description
Compatible with Boss operators on the 433 Mhz frequency, these may be also branded Guardian, Steel-Line or Centurion.
The most common compatible sectional/tilt door operator on the local market is the BOL4 which carries the model number 21230L on the side of the grey case, if the case is a blue colour you will require the 303 Mhz remote version which is designated Boss HT4
There were two versions of this remote produced at one time so when you push the button on your remote the backlight should be Red, if the light is Blue then it is the 303Mhz version and you will require a Boss HT4 remote.