
Calling Solutions
IT-K-D4
Professional 4-key wireless calling button designed for instant service requests, staff communication, and improved customer response management.
The IT-K-D4 Wireless Calling Solution is a compact and reliable wireless call button designed for restaurants, hotels, hospitals, clinics, cafés, and customer service environments. The device allows customers, patients, or guests to instantly request assistance by pressing one of the dedicated service buttons. When activated, the signal is transmitted wirelessly to a compatible receiver, display unit, pager, or watch receiver, enabling staff to respond quickly and efficiently. The K-D4 typically features four service keys: Call, Bill, Drink, and Cancel.
- Four dedicated service request buttons
- Instant wireless notification to staff
- Long-range RF signal transmission
- Waterproof design for daily commercial use
- Compatible with wireless display receivers and pager systems
- Compact and user-friendly operation
- Supports restaurants, cafés, and healthcare facilities
- Easy installation without extensive wiring
SPECIFICATION
| Model | IT-K-D4 |
| Product Type | Wireless Calling Button |
| Operating Frequency | 433.92 MHz |
| Transmission Range | Up to 300–500 m (Open Area) |
| Button Functions | Call, Bill, Drink, Cancel |
| Power Supply | DC 12V Battery Powered |
| Installation Type | Table-Mounted or Wall-Mounted |
| Construction Material | Durable ABS/PC Housing |
| Usage Environment | Indoor Applications |
| Primary Function | Wireless Service Request Notification |







