Catalog > Consumer Electronics > Security & Alarms > Access Control > Remote Controllers TX1 DIP Switch Channel DIP Switch UNI403TX1BLU/BLK TX1 CHANNEL 403 Mhz BLUE/BLACK DIP SWITCH Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Additional Information Frequency 403 Mhz Colour Blue / Black