Designers, Manufacturers, and Distributors of RF Components

  • KRX2-433


    UHF FM Code-Hopping Receiver Module

    KRX2 is a small PCB mounting UHF integrated receiver-decoder module that is ready-to-use with our UHF FM code-hopping transmitters for secure wireless remote control and keyless security systems.



    • Operates on 433.92MHz European licence exempt frequency
    • All decoding and interfacing performed by the module
    • Four outputs facilitate 15 different control codes for each transmitter
    • Output interface to logic, microcontrollers or directly drive LEDs
    • Learn input - remembers up to 16 different transmitters
    • Remembers transmitters when power removed
    • Output indication of Learn function
    • Output indication of low supply voltage at a Transmitter
    • Momentary (output follows input) or 10ms pulse output modes
    • High performance receiver section may be used on its own
    • DIL module form factor
    • 5VDC supply


    • RF interface for Security and Alarm systems
    • Status reporting and monitoring secure systems
    • Industrial controls
    • HVAC controls
    • Door entry systems
    • Simple On/Off switching
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