MULTIELMAC model 4200 keyless entry. It transmits using dip switch on frequency 300.
The warranty on the 4200 garage door keyless entry is 1 year from MULTIELMAC.
The model 4200 is still available.
MULTIELMAC model keyless entry instructions and owners manual in PDF format at NO CHARGE!
VIEW / DOWNLOAD by clicking HERE
(0.07 MB in English) This requires Acrobat 10 or higher