Merlin Remote Control SKU: 207508 MODEL: M802 Error. try again later You've successfully joined the club $ 75 .48 each Mitre 10 Variants Suits Merlin garage door openers manufactured between 1994-2001. Suits models 2500L, 2500P, 4000, M230WT, M430R, P230T and P430R (40MHz) Features and benefits 2 button remote control. Frequency: 40Mhz FM. Encryption: Fixed.