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Steel-Line Wireless Wall Button 303Mhz


Genuine Steel-Line 303 MHz single button wireless wall mounted wall remote ​- may also be branded BOSS.

Compatible with Steel-Line/BOSS OL4, OL6 sectional door openers & RD9 roller door openers manufactured before July 2013.

Steel-Line wall button 303MHz is compatible with:

  • Boss HT4 221L 1,2, & 4 Button 
  • Boss HT3 Blue LED 
  • Centurion 2211L 
  • Guardian 2211L 
  • Guardian HT3 Blue LED 
  • LYNX 2211L 
  • MODERN 2211L 1 & 2 Button 
  • Steel-line 2211L 1, 2 & 4 Button 
  • Steel-line HT3 Blue LED


  • 1 x Genuine Steel-Line WB13 wireless wall-mounted transmitter
  • 1 x Pre-installed battery
  • 1 x Fixing accessories


Code Type:

No. of Buttons:

Casing Colour:

Button Colour:


Visor Clip Compatible:

Key Ring Compatible:


Coin Battery:

Shipping Via Australia Post

Handling Times:
Next Business Day Dispatch

Standard Domestic:
(4-7 days from dispatch)

Express Post
(1-2 days from dispatch)

Free coding instructions with every purchase ... See FAQ's.