LiftMaster Chamberlain 300MC Linear-Compatible Gate and Garage Door Opener Remote. It is compatible with Digi-Code DC5010 and DC5040 transmitters and is designed to use with 300 MHz receivers, such as the MultiCode 1090, 1099, 3021 and 3028, and the Tricode TCG1, TCG2, TCR1 and TCR2 gate or garage door opener receivers.
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