Battery-Free Wireless Call Button Calling System

FOB Reference Price:Get Latest Price
$8.80 - $12.80 / Piece | 1 Piece/Pieces (Min. Order)
Lead Time:
Quantity(Pieces) 1 - 20 >20
Est. Time(days) 15 Negotiable
ODM (Min. Order: 500 Pieces)
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Quick Details
Place of Origin:
Fujian, China
Brand Name:
Model Number:
Product name:
Battery-Free Wireless Call Button Calling System
Transmitted Distance:
> 150 meters in the open area
nursing center; hospital; elderly center
Code senting rate:
Rate stability:
Transmit power:
Packaging & Delivery
Lead Time :
Quantity(Pieces) 1 - 20 >20
Est. Time(days) 15 To be negotiated

Battery-Free Wireless Call Button Calling System

The Transmitter is driven by One-Button-Press Kinetic Energy.
Finger pressure generates transmitter power and transmits wireless signals.

Product Description
Model K-ES1
Color White
Material ABS
Dimension Φ67*18.5mm
Key Call
Frequency 433.92MHz
Transmit  power 9dbm
Rate stability ±20ppm
Code senting rate 30ksps
Modulation FSK
Power supply 4250 generating
Standby current
Distance > 150 meters in the open area
Customized Frequency 240~960MHz
Feature Can press button by 360°



Restaurant, kitchen, cafe, teahouse, geracomium, cybercafe, hospital, pet hospital, bead-house, confinement center,  bank, supermarket, cinema, hotel, train station, airport, security check points, fitness center, bowling center, billiard room, sales center, auto 4S shop, exhibition center, factory, logistics, beauty center, hair salon, massage center, game center, casino, KTV, chess and card room, etc. 



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), enhancing the signal


How does the system work?

1. If your customers require service, all they need to do is to press the button sittled on their table to inform the waiters/waitresses.

2. When the customers press the call button on their table, their table number will appear on the reciever with ringing. Waiters /waitresses then head for the table to take the order of the customers promptly and quickly.


What are the benefits of Wireless Calling System?

  • Reducing Staff Costs
  • Enhancing the Dining Experience
  • Greater Front of House Efficiency
  • Increased Revenue 
System Introduction

Company Profile

About Us

Established in 1 9 9 9, Huanyutong Technology Co., Ltd is specialized in research, manufacture and marketing of security and communication products, We have more than 200 products on sale both in domestic China and overseas. Our target is to "offer good quality products with competitive price".


Our Factory

Our Certificate



Packaging & Shipping


Our Services

Our Services:

1. Offer better after-sell service;

2. Factory visiting allowed;

3. Customized requirement accepted;

4. OEM/ODM accepted.


Our Advantage:

1. Low MOQ: It can meet your promotional business very well.

2. OEM Accepted: We can produce any your design.

3. Good Service: We treat clients as our best friend.

4. Good Quality: We have strict quality control system. Offer ISO 90001;2015Good reputation in the market.

5. Fast & Cheap Delivery: We have big discount from forwarder (Long time Contract).