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Quick Details

  • Brand Name: KELVIN
  • Model Number: KL-RF211B
  • Place of Origin: Guangdong, China (Mainland), Guangdong China (Mainland)
  • Products Attribute: High sensitivity fixe code receiver
  • Operating Voltage: DC 3-5V
  • Working Current: 4.2mA
  • Operating Frequency: 315 / 433MHz
  • Receiver Sensitivity: -115dBm
  • Decode Type: Fixed Code
  • Dimension: 47*19*7mm
  • Modulation Type: OOK/ASK
  • Use: Auto door, Industrial control system, Low-bit-rate Transmission, etc

Packaging & Delivery

Packaging Details KELVIN STANDARD
Delivery Time 5 working days of lead time for the MOQ

Specifications

315MHz/433MHz High Sensitivity Receiver Module With Fixed Code Decoder KL-RF211B
Sensitivity:-115dBm
ASK/OOK modulation

315MHz/433MHz High Sensitivity Receiver Module With Fixed Code Decoder KL-RF211B

 

High anti-interference RF receiver module With Fixed Code Decoder Chip

 

 

KL-RF211B used 213AYQS chip, it has strong anti-static protection, high reliability and competitive price. its widely used in remote garage door opener, auto gates as retract type, brakes, GSM/GPS system, factory antomatic, communication and security system etc.

 

1. Characteristic

Ø  High anti interference, work better than other receiver modules with -118dBm sensitivitity in reality.

Ø  Small size ( 47*19*7mm ).

Ø  Low power consumption.

Ø  Ultra low self emission, can easy pass all kinds of certification.

 

 

2. Specification

 

Ø  Frequency: 315MHz, 433MHz (Frequency between 300-500MHZ can be customized)

Ø  Working Voltage: DC 3-5V

Ø  Working Current: 4.2mA

Ø  Modulation: ASK/OOK

Ø  Sensitivity: -115dBm.

Ø  Dimension:  47*19*7 mm

Ø  Working Temperature: -30~85°C

Ø  Distance: 300m

 

 

3.Applications:

1). Garage door and gate openers

2). Electric windows,barrier etc.

3). Remote controls and smart home alarm

4). Low baud rate for data transmission

5). GSM/GPS car system

 

 

 

4.PIN Description:

 

 

 

A:

S/N

PIN

Description

1

D3

Data Output D3

2

D2

Data Output D2

3

D1

Data Output D1

4

D0

Data Output D0

5

VT

Working Indicator

6

+5V

Power Source +

7GNDGround

 

 

B:

S/N

PIN

Description

1

D3

Data Output D3

2

D2

Data Output D2

3

D1

Data Output D1

4

D0

Data Output D0

5

GND

Ground

6

VT

Working Indicator 

7+5VPower Source +

 

   

5.For order

1).Accept OEM.

2).Print logo on the case and pakage

3).Payment Details :30% deposite,70% balance before shipment. Payment accept T/T, Western union, PayPal, optional.

4).Minimum Order:100 pcs (accept trial order)

5).Delivery Details: within 3-5 days depends on order quantity.

 

6.Our company

 Shenzhen Kelvin Electronics Co. Ltd. is a professional manufacturer of security Products with obtaining ISO9001:2000 quality system approval, CE approval and RoHS certification.

 

Our products mainly include smoke detectors, door sensors, home alarm systems, panic buttons, wireless remote controls (or switches), wireless transceiver modules, etc.

 

They are comply with international quality standards and are sold to North America, South America, Eastern Europe, Southeast Asia and other world market....

 

7.Our workshop

 

8. Last but not the least

In tandem with society's progress, now people around the world look forward to more convenient life. So RF remote control system has broader and broader prospect.  Compare to IR remote control, RF has more advantages. It is easily to match receiver, and can be used freely. It can cross the wall and other obstacles. And the operation distance can reach from few meters to thousands meters depends on transmitter power and receiver sensitivity.

Our RF remote control system is widely used in home automation system, home and business alarm security system, industrial automation control system, auto door / gate / window / curtain system, LED light control system, and so on. 

Remote control system frees the users, so that they have more time to do other important things and enjoy their convenient life. Whatever you want to do, just need to press a button, then you can make it easily. Whatever the world changes, you definitely need remote controls. Remote control is the world, we are the world.

Shenzhen Kelvin Electronics Co., Ltd. is a professional manufacturer in RF field in China. We always provide high quality products with competitive price. Most of our products have passed the CE, FCC, RoHS and other certification. 

We also do OEM and ODM professionally. Our remote control system has already been used in solar panel auto control system in AustraliaLED light auto control system in Canada, water pump auto control system in Mid East, home early warning system in Italy, etc. 

We have developed 99-channel remote control which can control max 99 devices with one remote control. And we also have developed FSK remote control which can reach more than 1km. Our remote control duplicators can copy other remote controls and replace them, it uses our own programme. KL180-4K and KL240-4K are the top selling remote control duplicators. We sell over 10,000pcs per month to EU, Southeast Asia and Latin America. 

Our product items are limited, but our dream is unlimited. To enter your life, free your hand, and make you more convenient, reduce your cost, that is our dream. 

 

We have been looking forward to establishing long term business relationship with all new and old customers. At the same time we believe that our company should be your final choice. Limited items, unlimited dream - Shenzhen Kelvin

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