Catalog > Consumer Electronics > Security & Alarms > Access Control > Remote Controllers Long Range Receiver Long Range Receiver UNI-173RX1 MK1 RX 1 CHANNEL 173MHZ 1KM Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview Single channel capable of learning a maximum of one thousand (1000) pendant transmitters. 2 Channel capable of learning 8 transmitters per channel. Additional Information Frequency 173MHz Channels / Buttons 1 Channel