The receiver for existing handheld transmitters. Can you no longer expand your existing system because the memory spaces are full? Do you want to use your existing handheld transmitters at a new location? Do you want to use multiple brands and types of handheld transmitters together? This is now possible!
Use the universal radio receiver R-4000 with transmitters of all kinds of brands and frequencies: fixed or rolling code, AM or FM, 433 or 868 Mhz, it is all possible with this one device. You can even program transmitters from multiple manufacturers and different frequencies in one and the same receiver.