Security

Linear MegaCode 1-Channel Key Ring Transmitter

Linear
SKU: ACT-21A

The Model ACT-21A 1-Channel Key Ring Transmitter is designed for use with Linear’s access control products. The Model ACT-21A is a single-channel device supplied with a quick-disconnect key ring. Also included are lithium batteries with a five-year service life. A unique 10-second time-out feature prevents the system from being shut down by a single transmitter transmitting continuously. The transmitter is MegaCode format, which means each transmitter is factory preprogrammed with one of over 1,000,000 codes, virtually eliminating the possibility of code duplication. Because the receiver “learns” each specific code, no unauthorized person can gain access to the system by reprogramming a transmitter.

Technical Specifications
Power Two 3V 1616 style batteries (supplied)
Dimensions 1.25" W x 2.25" H x .48" D (32 x 57 x 12 mm)
Weight 1.6 ounces
Frequency 318 MHz
Number of Codes 1,000,000 plus
Block Coding Units are sequentially coded at the factory to customers specifications. Facility code may be specified.
Number of Channels 1
Battery Life Up to three years
Warranty 1 year

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