<p>Wireless Queue Calling System, Take A Number Display System, Restaurant Pager System Queue Management Long Range Waiting Number System for Restaurant/Food Truck/Clinic/Bank (1 Display+1 Keypad)<p/> Problem: <br>Cut in line? <br>Chaos in queue? <br>Easy to cause conflict? <br>Impact on image? <br>Customers line up? <br>Wait too long? <br>Lots of complaints? <br>Constraining personal activities? <br>Wasting customer time? <br>The queuing system makes it easy for your customers to sit in line. Improving work efficiency, avoiding queue cuts, and queuing at ease, making services more valuable. <br>Specification <br> <br>1. Voltage: 12V <br>2. Current: ≤1A <br>3. Number: 001 ~ 999, A01 ~ F99 <br>4. Working Temperature: -20 ℃ -80 ℃ <br>5. Receiving Sensitivity: ≥-105dBm <br>6. Frequency: 315MHZ or 433MHZ <br>7. Size: 280mm * 160mm * 35mm