KH2 Series RF Transmitters and Receivers with Integrated Encoder and Decoder Chips

The KH2 Series RF modules are ideally suited for OEM applications, such as remote control / command, security, and automation. The transmitter module combines a highly optimized SAW-based RF transmitter with an on-board remote control encoder. The receiver module combines an advanced synthesized RF receiver with an on-board remote control decoder. The transmitter module accepts up to eight parallel inputs, allowing direct connection of switches, contacts, or microprocessor control lines. The receiver module provides eight logic-level outputs for connection of devices under control, such as relays, motors, indicators, or microprocessor lines. Ten tri-state address lines are also provided to allow for security and the creation of 3^10 (59,049) unique transmitter / receiver relationships. Together, the modules form a reliable wireless connection capable of operation over distances of up to 3000 feet. The modules are also individually compatible with a complete family of FCC precertified OEM products, which include keyfob and handheld transmitters, relay and AC control modules. Housed in compact reflow-compatible SMD packages, the modules require no tuning or external RF components except an antenna.

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Features

• Low cost
• On-board encoder (Tx) / Decoder (Rx)
• 8 Parallel lines allow direct interface
• 3^10 addresses for security and uniqueness
• No external RF components required except an antenna
• Ultra-low power consumption
• Compact surface-mount package
• Stable SAW-based architecture
• No production tuning

Applications

• Remote Control / Command
• Keyless Entry
• Garage / Gate Openers
• Lighting Control
• Call Systems
• Home / Industrial Automation
• Fire / Security Alarms
• Remote Status Monitoring
• Wire Elimination