The Linear Multi-Code Visor Transmitter is a portable transmitter designed for automatic door and gate operator applications. The 2-Channel Transmitter sends out two separate signals to operate two separate doors. The transmitter is Multi-Code format with 10-position coding switches providing 1,024 possible codes for each channel. Independent coding supports activation of a common gate and a private door. The transmitter will only activate receivers set with the same code. The buttons feature raised dimples for easy, or vision-impaired identification. A visor clip is included. The transmitter is powered by a 9-volt battery and has a test/operate indicator. The Linear Multi-Code Visor Transmitter is compatible with 300 MHz Multi-Code receivers and Model 109950 and 302850 receivers.