Linear Act21A 318Mhz Megacode 1Channel Key Ring Transmitter

Description

The Model Act21A 1Channel Key Ring Transmitter Is Designed For Use With Linears Access Control Products The Model Act21A Is A Singlechannel Device Supplied With A Quickdisconnect Key Ring Also Included Are Lithium Batteries With A Fiveyear Service Life A Unique 10Second Timeout 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 1000000 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