NOTE: There is also a LiftMaster TX4EVF. It looks identical, but has a blue LED. The TX4EVF operates at 868 MHz, the TX4UNIF operates at 433MHz. Both are not interchangeable!
The TX4UNIF universal transmitter has a white LED indicator and operates on the 433MHz frequency. As a universal transmitter it can be used for the entire Evolution series and older drives (with 433 MHz up to 1997). The transmitter has a design based on a modern and attractive car key. The large buttons of the universal transmitter also increase ease of use and make it possible to control up to four doors.
NOTE: This handheld transmitter is compatible with all Chamberlain /Liftmaster receivers/actuators at 433MHz EXCEPT the following:
Programmable directly on the receiver. Please refer to the manual of your controller/drive/receiver.
| Number of pushbuttons | 4 |
|---|---|
| Radio Frequency | 433MHz |
| Color of button | Black |
| Color of LED | White |
| Radio code | Chamberlain/Liftmaster Billion(green), Chamberlain/Liftmaster EVO-code (Security+2.0) |
| Number of channels | 4 |
| Rolling code? | Yes |
| Self learning? | No |
| Homelink compatibel? | No |
| Battery type | CR2032 3V Lithium |
| Brand | Liftmaster |
