常有人問到車庫門遙控器跟opener連不上，這類問題源於無線連接頻率變更！

這類問題源於無線連接頻率變更！

下麵是Chamberlain (LiftMaster, Craftsman)公司各時期使用的頻段和編碼方式。
 

Dates System Color of programming button and LED on unit Color of LED on remote*

1984–1993 8-12 Dip Switch on 300-400 MHz white, gray, or yellow button with red LED red

1993–1997 Billion Code on 390 MHz green button with green or red LED green

1997–2005 Security+ (rolling code) on 390 MHz orange or red button with amber LED[4] amber or none

2005–present Security+ (rolling code) on 315 MHz purple button with amber LED none

2011–present Security+ 2.0 (rolling code) on 310, 315, and 390 MHz yellow button with amber LED and yellow antenna wires red or blue

 

下麵是Genie公司各時期使用的頻段和編碼方式。

 

Dates System

1985–1995 12 DIP Switch on 390 MHz

1995–2005 Intellicode/CodeDodger (rolling code) on 390 MHz

2005–present Intellicode/CodeDodger (rolling code) on 315 MHz

2011–present Intellicode 2/CodeDodger 2 (rolling code) on 315 and 390 MHz