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Linear D-21A Normally Open Wall-mount Transmitter
The Model D-21A Normally Open Wall-mount Transmitter has a normally open input circuit that operates in conjunction with an externally mounted normally open magnetic or mechanical contact. When the external contact closes, the transmitter automatically transmits a two-second digitally coded signal to a companion standard digital receiver. Pressing the test pushbutton on the front of the transmitter will also cause the transmitter to send a signal. Each transmission causes the red LED indicator on the front of the transmitter to light, showing that the transmitter is sending a signal and that the battery is in good condition.
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Linear D-22A 1-Channel, 1-Button Handheld Transmitter
The Model 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. Each transmission causes the red LED indicator on the front of the transmitter to light, showing that the transmitter is sending a signal and that the battery is in good condition.
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Linear D-22B 2-Channel, 2-Button Handheld Transmitter
The Model D-22B 2-Channel, 2-Button Handheld Transmitter is a two-channel transmitter that can initiate two separate functions. It is used in many remote switching applications where a portable two-channel transmitter is required. The first digit of the digital code sent will be off or on depending on which transmitter button is pressed. Each transmission causes the red LED indicator on the front of the transmitter to light, showing that the transmitter is sending a signal and that the battery is in good condition.
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Linear D-22C 2-Channel, 2-Button Independent Code Transmitter
The Model 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. This transmitter is used in remote switching applications where a portable two-channel transmitter is required and two separate receivers, each programmed with their own digital code, are used. Each transmission causes the red LED indicator on the front of the transmitter to light, showing that the transmitter is sending a signal and that the battery is in good condition.
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Linear D-22D 2-Channel, 2-Button Lockout Transmitter
The Model D-22D 2-Channel, 2-Button Lockout Transmitter is a two-channel transmitter that can initiate two separate functions. This transmitter is used in remote switching applications where a portable two-channel transmitter with 2-button lockout is required. Pressing either button will activate channel one. For security, both buttons must be pressed at the same time to activate channel two. Each transmission causes the red LED indicator on the front of the transmitter to light, showing that the transmitter is sending a signal and that the battery is in good condition.
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Linear D-23R Bill Trap Transmitter
The Model D-23R Bill Trap Transmitter is a unique device used in banks and other places where cash is handled in sizable quantities. Baited with currency, the transmitter is hidden beneath the stack of bills in a cash drawer. Removing the "bait" bill from the holding clip transmitts a signal which is repeated at 45-second intervals until the bait bill is replaced (the repeat timer can be disabled by cutting an internal jumper). Operating in conjunction with a suitable receiver, this transmitter sends signals which are used to trigger alarms and other security devices, such as video cameras. Completely portable, the D-23R works even when cash drawers are being moved, if it remains within RF range of the receiver. Each transmission causes the red LED indicator on the transmitter to light, showing that the transmitter is sending a signal and that the battery is in good condition.
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Linear
D-24A Normally Closed Wall-mount Transmitter
The Model D-24A Normally Closed Wall-mount Transmitter has a normally closed input circuit that operates in conjunction with an externally mounted normally closed magnetic or mechanical contact, window foil, or security screens. When the external circuit opens for at least one-second, the transmitter automatically transmits a two-second digitally coded signal to a companion standard digital receiver. Pressing the test pushbutton on the front of the transmitter will also cause the transmitter to send a signal. Each transmission causes the red LED indicator on the front of the transmitter to light, showing that the transmitter is sending a signal and that the battery is in good condition.
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Linear
D-4B 4-Channel, 4-Button Handheld Transmitter
The Model D-4B 4-Channel, 4-Button Handheld Transmitter is a four-channel transmitter that can initiate four separate functions. It is used in many remote switching applications where a portable four-channel transmitter is required. The first two digits of the digital code sent will be off or on depending on which transmitter button is pressed. Each transmission causes the red LED indicator on the front of the transmitter to light, showing that the transmitter is sending a signal and that the battery is in good condition.
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Linear ET-1B Emergency Transmitter
The Model ET-1B Emergency 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. Pressing both buttons on the sides of the transmitter at the same time will send a transmission.
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Linear ET-2 Miniature Transmitter
The Model 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. Pressing the button on the transmitter sends a digitally coded wireless signal to its companion receiver.
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Linear ET-2 Miniature Transmitter
The Model 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. Pressing the button on the transmitter sends a digitally coded wireless signal to its companion receiver.
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