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The Linear ACT-34B keychain transmitter in black has 10 second time-out feature that prevents the system from being turned off by a single transmitter. It features a MegaCode format that eliminates code duplication and prevents unauthorized access to the system as the receiver learns each specific code. This transmitter is perfect for garage door openers and gate operators. The block coded transmitters are factory programmed for a sequential series of transmitter ID codes. It measures 2.25" x 1.25" x 0.48" and has a frequency of 318 MHz.
|Security System Accessory Type||Keychain Transmitter|
|Height in Inches||0.48|
|Width in Inches||1.25|
|Depth in Inches||2.25|