Linear

Founded in 1961, Linear LLC supports an ongoing program for maintaining and strengthening its position of leadership in the development, production and marketing of sophisticated electronic components and systems for the access control, emergency reporting and radio control markets.

4-Channel Stationary Mid-range Transmitter
Model Number: XT-4

The Model XT-4 4-Channel Stationary Mid-range Transmitter is designed for use in various wireless remote control applications. When triggered with an external switch, the Model XT-4 transmitter will send a 10 watt, 27.255 MHz, digital encoded, FSK modulated, signal to its companion receiver. The receiver will verify the digital code, activate its output, and trigger the remote device.

Manual - XT-4 Xtended Range Four Channel Supervised Stationary Transmitter For Use With Linear’s XR Series Xtended Range Receivers - Installation Instructions (Publication # 215284 A) (286 KB - 2 pages)

Brochure - Xtended Range by Linear (Publication # 99-193 P/N 215858C)
(280 KB - 6 pages)

4-Channel Mid-range Receiver
 Model Number: XR-4
 

The Model XR-4 4-Channel
Mid-range Receiver is designed for use in various wireless remote control applications. When the Model XR-4 receiver detects a signal from its companion transmitter, it will verify the digital code, activate the correct output channel, and trigger the remote device connected to the receiver.

Manual - XR-4 Xtended Range Four Channel Supervised Stationary Receiver For Use With Linear’sXR Series Xtended Range Transmitter - Installation Instructions (Publication # 215194 B) (264 KB - 2 pages)

3-foot Mid-range Antenna Model Number: ANT-2

The Model ANT-2 3-foot Mid-range Antenna works with Linear's line of 27 MHz mid-range transmitters and receivers. The Model ANT-2 is a 3-foot whip antenna for use in long range or difficult installations where more range from mid-range units is required.