Catalog > Consumer Electronics > Security & Alarms > Access Control > Remote Controllers Trinary Code Transmitter Trinary Code Transmitter UNI403TXT1 TX1 CHANNEL TRINARY 9 WAY DIP. Call for Price 0 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview These are Trinary (3-state) Dip-switch type Remote Controls that feature up to approx. 16,000 unique Codes in the Trinary transmission Additional Information Frequency 403MHz Colour Black-Yellow Channels / Buttons 1 Channel 1 Button