Catalog > Consumer Electronics > Security & Alarms > Access Control > Remote Controllers Code Hopping Transmitter Code Hopping Transmitter UNI433NOVATX3H TX3 CHANNEL CODE HOPPING 433MHZ Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview It incorporates CODE HOPPING technology to offer the ultimate security in a remote control. A unique randomly changing code is transmitted with each operation making it impossible to duplicate the system. Additional Information Frequency 433MHz Colour Grey-3xBlue buttons Channels / Buttons 3 Channel 3 Button