Transmitter Solutions TS-390LMD21V 390 MHz DIP Switch Remote Compatibility Details
The Transmitter Solutions TS-390LMD21V is a replacement transmitter for older Sears Craftsman and LiftMaster 390 MHz fixed-code systems that use DIP switch coding. It is commonly selected when the original 139.536151SR, 61LM-style, or compatible fixed-code remote is missing, damaged, or unreliable.
This remote is for older matching receiver platforms, not modern rolling-code operators. It should be matched by radio frequency and DIP switch style before ordering.
What This Part Does
The remote sends a fixed-code radio signal to a compatible 390 MHz receiver. On a matching system, the receiver reads the DIP switch pattern and cycles the garage door or connected operator command.
- Replaces select older Sears Craftsman fixed-code remotes
- Cross-references to LiftMaster 61LM-compatible 390 MHz DIP switch systems
- Useful when the original case, button, clip, or battery contacts are damaged
- Supports fixed-code setups where the DIP switch pattern can be matched
Compatible With
Commonly associated with older 390 MHz fixed-code Sears Craftsman and LiftMaster receiver systems using compatible 8 or 9 DIP switch coding.
- Sears Craftsman 139.536151SR-style fixed-code systems
- LiftMaster 61LM-compatible fixed-code receiver setups
- Older 390 MHz DIP switch garage opener receivers
- Select remote control systems where the original transmitter uses matching DIP switch positions
Important Compatibility Warning
This transmitter is not compatible with colored learn button rolling-code systems, Security+, Security+ 2.0, MAX, myQ, or universal learn-button programming by itself. If the opener uses a learn button instead of DIP switches, a different remote family is normally required.
Similar Parts That Are Not Automatically Interchangeable
- LiftMaster Security+ remotes such as 971LM, 973LM, or 970 series rolling-code transmitters
- Security+ 2.0 remotes such as 891LM, 893LM, or MAX remotes
- Genie Intellicode remotes
- Chamberlain myQ accessories or Wi-Fi controls
- Any look-alike transmitter using a different frequency or code format
Not Intended For
- Newer garage door openers with yellow, purple, red, orange, green, or round learn buttons unless a compatible fixed-code receiver is installed
- Gate operators using 300 MHz, 310 MHz, 315 MHz, 318 MHz, or 433 MHz receivers
- Access-control systems requiring credential tracking or rolling-code security
- Repairing a bad receiver, antenna, wiring fault, or failed opener logic board
Features and Specifications
| Specification |
Details |
| Brand |
Transmitter Solutions |
| Part Number |
TS-390LMD21V |
| Product Type |
Single button remote transmitter |
| Frequency |
390 MHz |
| Coding Style |
Fixed-code DIP switch coding |
| Common Cross-Reference |
Sears Craftsman 139.536151SR and LiftMaster 61LM-compatible systems |
| System Type |
Older fixed-code garage opener or receiver systems |
| Package Contents |
Remote transmitter unless supplier packaging states additional items |
Also Known As / Related Part Numbers
- TS-390LMD21V
- 390LMD21V
- Sears Craftsman 139.536151SR replacement remote
- 61LM-compatible remote
- 390 MHz DIP switch remote
- Fixed-code garage door remote
Related Parts and Service Checks
- Check the original remote number before ordering
- Open the remote case and confirm DIP switches are present
- Confirm the receiver or opener uses 390 MHz fixed-code radio
- Replace the battery before assuming the old remote is bad
- Inspect receiver antenna and wiring if range is poor
- Do not erase or reprogram a learn-button opener when this fixed-code remote is not the correct technology
Technician Note
The most common ordering mistake is buying this remote because the case looks similar to an older garage remote. The radio system matters more than the case shape. Match the frequency and DIP switch style first.
Before Ordering Checklist
- Confirm TS-390LMD21V is the replacement path needed
- Confirm the old system is 390 MHz fixed code
- Confirm the old remote or receiver uses DIP switches
- Confirm this is not a Security+, Security+ 2.0, MAX, myQ, or learn-button opener
- Confirm whether one remote is enough or if the receiver should be upgraded
Installation and Service Notes
Set the DIP switches in the new remote to match the existing working remote or receiver. Test from a safe location with the door in clear view.
If the opener does not respond, recheck switch positions, battery orientation, receiver power, antenna condition, and whether the opener actually uses the correct fixed-code receiver.
Professional Advisory
For older garage systems with weak range, intermittent receiver operation, or missing remotes, verify the receiver before replacing multiple transmitters. A new remote will not correct a failed receiver or bad opener control board.
Product Questions & Answers
Is the TS-390LMD21V compatible with LiftMaster 61LM systems?
It is intended for older 390 MHz fixed-code systems commonly associated with LiftMaster 61LM-compatible receivers. Confirm the receiver frequency and DIP switch coding before ordering.
Will this remote work with a learn button opener?
No. This remote is for older fixed-code DIP switch systems. If the opener uses a colored learn button or rolling-code technology, a different remote family is normally required.
Does this replace Sears Craftsman 139.536151SR?
It is commonly used as a replacement path for Sears Craftsman 139.536151SR-style fixed-code remote systems. Verify the original remote or receiver before ordering.
How do I set the code on this remote?
The DIP switch pattern in the new remote should be set to match the working remote or receiver. Match every switch position carefully before testing.
Can this remote fix poor range?
Only if the old transmitter or battery was the problem. Poor range can also be caused by a weak receiver, antenna issue, electrical interference, or opener board problem.
Is this a myQ remote?
No. This is not a myQ, Security+ 2.0, MAX, or Wi-Fi remote. It is for older fixed-code DIP switch radio systems.
