The Linear MDT-2A 3-Channel Visor Transmitter is designed for use with Linear’s access control products. The Linear MDT-2A is a three-channel device. Pressing the transmitter’s left or right front button sends channel one or two. Pressing the small button on the transmitter’s top sends channel three. The top button can be hidden with the top button cover supplied. Also included are lithium batteries with a five-year service life and a visor clip.

The Linear ACT-31B 1-Channel Block Coded Key Ring Transmitter is designed for use with Linear’s access control products. The Model ACT-31B is a single-channel device supplied with a quick-disconnect key ring. Also included are lithium batteries with a five-year service life.

The Linear D-22A 1-Channel, 1-Button Handheld Transmitter is a single-channel transmitter normally used as a "panic button" in security systems. It is also used in many remote switching applications where a portable transmitter is required.

The Linear DXT-21 2-Button, 1-Channel Handheld Transmitter is a battery powered portable transmitter designed for use with Linear’s DX Format receivers. Each transmitter can be used in a limitless number of wireless remote control applications. Pressing a button on the transmitter sends a digitally coded wireless signal to its companion receiver.

The Linear ET-2 Miniature Transmitter is a battery powered, portable, miniature pendant transmitter designed for use with Linear’s Standard Digital Format receivers. The transmitter can be used in a limitless number of wireless remote control applications.

The Linear MCT-1 is a One-button, 9-Volt battery powered visor transmitter with removable visor clip, MegaCode format.

The Linear MCT-11 1-Channel Visor Transmitter is a wireless radio control designed for use with automatic garage and gate operators.

The Linear ACT-22A 3-Channel Key Ring Transmitter is designed for use with Linear’s access control products. The Model ACT-22A is a three-channel device. Pressing the transmitter’s left or right front button sends channel one or two.

The Linear ACT-34B 4-Channel Block Coded Key Ring Transmitter is designed for use with Linear’s access control products. The Linear ACT-34B is a four-channel device supplied with a quick-disconnect key ring. Also included are lithium batteries with a five-year service life.

The Linear MT-2B 2-Channel Block Coded Visor Transmitter is designed for use with Linear's access control products. The Model MT-2B is a two-channel device. Pressing the left button on the transmitter will send a channel one signal. Pressing the right button on the transmitter will send a channel two signal. A visor clip is included.

The Delta-3 Linear DRA 1-Channel 12-volt Receiver is a small economical unit designed for commercial gate and door access control. It is compatible with solid state control boards. Any Delta-3 transmitter may be coded to activate this receiver, and any number of transmitters may be used to operate this receiver. In addition, the Linear DRA may be programmed to respond to one of 256 digital codes.

The Linear MDT-1A 1-Channel Visor Transmitter is designed for use with Linear’s access control products. The Linear MDT-1A is a single-channel device. Pressing either the round button on the transmitter’s front, or the small button on the transmitter’s top will send the same signal. The top button can be hidden with the top button cover supplied. Also included are lithium batteries with a five-year service life and a visor clip.

Linear MCT-2 Two-button, 9-Volt battery powered visor transmitter with removable visor clip, MegaCode format.

The Linear DXT-42 2-Button, 3-Channel Key Ring Transmitter is a battery powered, portable, miniature transmitter designed for use with Linear’s DX Format receivers. Each transmitter can be used in a limitless number of wireless remote control applications.

Linear universal wired keypad (will work on ANY gate or garage door operator) Stand alone keypad to open a single automatic gate or garage door, accepts up to 480 individual codes.

The Linear Delta-3 DTKP Keypad Transmitter is one of Linear’s series of wireless radio controls designed for use with automatic garage door and gate operators. The Delta-3 radio format provides 256 different codes.

The Linear MDRG MegaCode series of digital receivers are wireless radio controls designed for use with automatic gate openers. The MegaCode radio format provides unparalleled security. The transmitter and receiver can be programmed to more than a million different codes.

This Linear remote & receiver kit includes one linear DRA 310MHz receiver and two Linear Mini-T 310MHz Transmitters.

Linear Mini-T Miniature key ring transmitter, black case, white button, key ring supplied, test/operate LED, 256 selectable codes.

The Linear D-22C 2-Channel, 2-Button Independent Code Transmitter is a two-channel transmitter that can initiate two separate functions. The transmitter contains two eight-position digital coding switches. Each pushbutton can send any one of the 256 digital codes.