TX-91 Linear Supervised 2-Button, 3-Channel Handheld Transmitter

The Model TX-91 Supervised 2-Button, 3-Channel Handheld Transmitter is a supervised, digitally coded radio transmitter designed for use with Linear’s SX Format receivers. Pressing a button on the transmitter sends a digitally coded wireless signal to its companion receiver. To send a complete signal, press the transmitter button for a minimum of 2 seconds. The top button can be hidden with the top button cover supplied.
The TX-91 is a two-button, three-code transmitter. Pressing the round button on the transmitter’s front sends the first code. Pressing the small button on the transmitter’s top sends the second code. Pressing both buttons at the same time sends the third code.
Coding switches are not required or used in the TX-91 transmitter. Each transmitter is pre-coded at the factory to a unique code. With the SX format, there are more than sixteen million codes possible.

Specifications

• Power - Two 3V 2032 lithium batteries (supplied)
• Battery Life - Up to five years
• Operating Temperature - 32° to 140° F (0° to 60° C)
• Actuation Indication - LED indicator and tactile feedback
• RF Frequency - 303.875 MHz
• Number of Codes - 16,777,216
• Code Setting Method - Factory programmed
• Dimensions - 1.6" W x 4.2" H x 0.8" D (41 x 107 x 20 mm)

TX-91 Installation Manual