• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Place of Origin: Fujian, China (Mainland)
  • Brand Name: KOQI
  • Model Number: K-W3
  • Name: Wall button
  • Use Frequency:: 315MHz±75k
  • Working voltage: Working voltage
  • Working current: ≤35mA
  • Transmitted Power: ≤30mW
  • Quality: 100% same
  • Size: 80*80*10mm
  • Color: White
  • 3KEY: Call;Bill;Cancel

Packaging & Delivery

Packaging Details Each unit Wireless Nurse Call Bell System in standard box
Delivery Time Sample with in 3 days and bulk order within one week.


Wall button
1. Build an comfortable enviroment for customers
2. Improve service level of restaurant

  Wall Button K-W3 to Call to Mesero Ordering Button


Specification of call bell K-W3

1. Water-proof

2. Work with our receiver to combined the wireless calling system

3. Can be installed on wallmounted installation. 

when the customer or patient need help only push cord to call , 

thecalling NO. will be shown on the screen,so everyone can easy to know who is calling.

4. Multi-key: Call;Bill;Cancel

5. Material: PC

6. Color:White

Technical Parameter:

Working voltage: DC12V

Working current: ≤35mA

Use Frequency:  315MHz±75k

Transmitted Power: ≤20mW

Transmitted Distance>300m in open area

Dimension : 80*80*10mm

  Wall button picture:

Delivery time: sample or small order within  3 days and bulk order within one week.

Payment: T/T, Western union, Paypal, Escrow

Warranty: 1 year




Wireless calling system can be used in restaurants, hotels, hospitals, tea house, coffee shops, health clubs, beauty salon, spa center, bars, swimming pool, beach, etc

What are the components of the wireless calling system?

1. Wireless receiver, installed on the count  

2. Call button, installed on each table

3. Signal repeater (optional), enhance the signal

How does the system works?

1. After your customer gets seated the waiter informs them that when they require service, all they need to do is press the button sitting on their table.

2. When the customer presses the call button on their table, their table number will appear on the reciever with ringing. Waiters then head over to the table to take the order of the customer promptly and quickly.


   If you are interested in Nurse Calling System ,please contact me.I'll reply to you in 24 hours.



Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
Trade Assurance
China (Mainland) | Manufacturer, Trading Company
Transaction Level:
Supplier Assessments:
8 Transactions 8,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $302,000
Learn More