Liftmaster 973LM garage door opener
Security + 390 MHZ Frequency, over 100 billion codes with code rotating technology
3 channel/button transmitter, compatible with models manufactured from 1997-present
Compatible with Chamberlain 950CB, 953CB, 956CB
Sears 139.53681, 139.53680
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Linear MCT-3 MegaCode 3-Channel Transmitter 318mhz
The MCT-3 3-channel visor transmitter is a wireless radio control designed for use with automatic garage door and gate operators. 318 mhz transmitter, no dip switches to set.
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Stanley 49541
Stanley Secure Code garage door opener remote control transmitter
Compatible with ALL Stanley SecureCode garage door openers
Not compatible with Stanley dip-switch systems
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