WatchNET WAT-WAC-HID-WT4 : Long-Range 4-Button Key Fob for Advanced Access Control
Primary Technology: Long Range
Frequency: Button press – 433 MHz, Card Readers – 125 kHz or 13.56 MHz
Dimensions (H x W x D): 2.5 x 1.45 x 0.56 inches (57.2 x 37 x 14.2 mm)
Button Press Transmission: Rolling code + encryption