Seco-Larm 1-Channel 1-Button DIP-Switch Coded Transmitter

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Model Number: SK-919TT1S-BU

The SK-919TT1S-BU uses DIP switch coding technology. Perfect for applications requiring large numbers of transmitters with identical codes. For example, a secured factory site might want all engineers on a project to have access to the same buildings, while another working group might need access to a different set. Similarly, a gated community might want to have one code for all residents, with the ability to change the code if transmitters are lost or stolen.Frequency 315MHz*2

Operates up to 500ft (150m)*
Over 68 billion (6.8×1010) possible codes
LED Transmission indicator
Includes 12 VDC alkaline battery
All 315MHz SECO-LARM transmitters are compatible with all 315MHz SECO-LARM Receivers
Coding is done by flipping trinary DIP switches. 59,049 combinations
Use for “block coding” or simple matching of an existing transmitter*2​
​* Actual range will vary greatly depending on the installation and operating environment.
SpecificationsRelated Products
Type WIRELESS – 1-Channel RF Transmitter
RF Frequency 315MHz
No. of Buttons 1
Channels 1
No. of Codes 68 billion possible codes
Dimensions 2-1/4″ x 1-1/2″ x 5/8″ (57 x 38 x 16mm)

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