LIFTMASTER model STAR250 receiver. It receives using on frequency 390 MHz.
The warranty on the STAR250 garage door receiver is 1 year from LIFTMASTER.
The model is still available.
LIFTMASTER model STAR250 receiver instructions and owners manual in PDF format at NO CHARGE!
VIEW / DOWNLOAD by clicking HERE
liftmaster_star250_om.pdf
(1.70 MB in English) This requires Acrobat 10 or higher