The ACT21 is a 1-button keychain remote for garage door and gate openers compatible with Linear Megacode systems. Operating at 318 MHz, it uses a smart coding system without dip switches for easy setup. The compact 2" by 1" design includes a key ring for convenient carry. It works with all Linear Megacode system devices.
Frequency Type : RF/Bluetooth
Frequency (MHz) : 318.0
Dimensions: 1.00 x 2.00 x 1.00 (W x L x D, inches)
