Features
 Operating voltage: 2.4V~12V
 Low power and high noise immunity CMOS
technology
 Low standby current
 Capable of decoding 12 bits of information
 Pair with Holteks 2
12
series of encoders
 Binary address setting
 Received codes are checked 3 times
 Address/Data number combination
 HT12D: 8 address bits and 4 data bits
 HT12F: 12 address bits only
 Built-in oscillator needs only 5% resistor
 Valid transmission indicator
 Easy interface with an RF or an infrared
transmission medium
 Minimal external components

Applications
 Burglar alarm system
 Smoke and fire alarm system
 Garage door controllers
 Car door controllers
 Car alarm system
 Security system
 Cordless telephones
 Other remote control systems