The Transmitter Solutions model 390LMD21K3 one button keychain 9-trinary replaces the 390LMD21K and is directly compatible with the LiftMaster 61LM, 64LM, Chamberlain 750CB, 756CB and Craftsman 139.53708, 139.53758. This is a one button
key chain gate or garage door opener remote for the code switch version of garage door or gate openers by LiftMaster,
Chamberlain or Sears Craftsman that use the 9 three position (+, 0, -) 390MHz type of code switches on the garage door opener or has a Yellow, White, or Gray Learn button manufactured between 1984 and 1992.
This remote can be used to replace any of the models of remotes listed below to control one garage door or gate opener.
This item is new in plastic bag and includes the key chain, battery and programming instructions.
The Transmitter Solutions 390LMD21K3 remote is directly compatible with the following models on 390MHz:
Access Master: 61AC 62AC 63AC
Chamberlain: 50 53 54 750CB 753CB 756CB
Sears Craftsman: 139.53708 139.53758 139.53759 139.53778 139.53879 137.53779
LiftMaster: 50LM 53LM 54LM 61LM 62LM 63LM 64LM 33LM 61LMC 62LMC 63LMC
64LMC 33LMC
Link Control: 61LNK 62LNK 63LNK
Raynor: 61RDG 62RDG 63RDG
Heddolf: L219-1KA, L220-1KA, L220-1KB.
Transmitter Solutions: 390LMD21V 390LMD21K 390LMD21K3
Wayne Dalton: 61WD
Not all compatible models may be listed.
Product Features:
Activates one code switch type device on the 390MHz frequency
Test/operate LED
Quick release key chain included
One-Year manufacturers warranty
Specifications:
Power: 12V A23 battery (included)
Frequency: 390MHz
Codes: 19,683 set by 9-trinary (+, 0, -) code switches
Dimensions: 2.125 x 1.5 x 0.5 inches
If you are not positive that this is the correct item for you, please email us. We are more that happy to assist you in determining the correct item for you. If you need to contact us for assistance please have the Make and Model number of the garage door
opener, radio receiver or transmitter. We would rather have you contact us than end up with the wrong item and have to return it.
