Please Note! All openers work on radio frequencies. You must make sure you are matching up yours with one of the part numbers listed. Just because it looks the same on the outside does not mean it is the same on the inside. Different models broadcast at different frequencies. See above for model number, and FCC compatibility ID number. These are used but tested remotes. You will have to program the unit to your system in order for it to work For Sale is a rare and hard to find Linear single button garage door and gate remote opener MT-1B ACP00877 318MHz. its In good USED Condition as pictured. This is for the Remote and battery ONLY. Please ask Any and All Questions prior to purchasing. Fast Same or Next day shipping with Free Delivery Confirmation within the U.S. Payment Due within 7 days of purchase (if you need more time please let us know In advance) we love to combine shipping is always a Yes and Most of the time Additional Items Ship for free. Because does not educate buyers on how to take advantage of Combined Shipping we have to. so in order to take advantage of our combined shipping rates instead of using the "buy it now" button please use the "add to cart" button for each of our items you want/plan to buy and combine into one purchase once you have finished adding all the items you want to your cart then go into your cart and you should be able to Pay for all the items together and receive our combine shipping discount or you can click "request total from seller" button and we can send a revised combined shipping invoice for all items you want to purchase. The Majority of our items you Pay one Shipping price for the First item and then there is no additional shipping cost for each additional item purchased