What frequency options are available?

The device supports 315MHz and 433MHz frequencies, with an adjustable range of 250-460MHz.

Can the input voltage be customized?

Yes, while the standard input is AC 220V, AC 110V is available as a customization option.

What working modes does the receiver support?

It supports three modes: Non-lock (Momentary), Self-lock (Toggle), and Inter lock (Latching).

What is the maximum load capacity?

The relay contact can handle a maximum load of 50A.

Is OEM or ODM service available?

Yes, we offer full customization, minor customization, and flexible customization based on samples or designs.

What certifications does the product have?

The product is certified with ISO9001, FCC, CE, and RoHS.

How many remote controls can be matched?

A maximum of 20 remote controls can be matched to the receiver.

What are the available decoding types?

The device supports Learning Code (EV1527) and Fixed Code (PT2262) decoding types.

12V 1CH Relay Receiver RF Transmitter 433MHz Wireless Remote Control Switch Kl-K211X

Shenzhen Kelvin Electronics Co., Ltd.

10 yrs

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Product Highlights

Flexible Frequency Options: Supports 315MHz and 433MHz frequencies with adjustable range of 250-460MHz.
Multiple Working Modes: Offers Momentary, Toggle, and Latching modes for versatile control applications.
High Load Capacity: Relay contact supports up to 50A maximum load for robust switching performance.
Customizable Input Voltage: Standard AC 220V with optional AC 110V customization available.
Advanced Decoding Types: Supports Learning Code (EV1527) and Fixed Code (PT2262) for secure operation.
OEM and ODM Services: Full customization, minor customization, and flexible customization options available.
Comprehensive Certifications: Certified with ISO9001, FCC, CE, and RoHS for quality and safety assurance.

Product Attributes

Customization: Available
Application: Household Appliances, LED Products
Signal Transmission: RF Remote Control
Model NO.: KL-K211X
Type: Button
Certification: ISO9001, FCC, CE
Universal: Universal
Transmission Distance: 50-100m
Voltage: 12V
Material: Plastic
Battery Type: Button Battery
Ambient Temperature: -20c -- +50c
Weight/G: 50g
Current/a: 15A
Frequency: 315MHz, 433MHz, Optional
Adjustable Frequency: 250-460MHz
Use: Cars, Garage Doors , Gates Doors, Alarm Systems Et
Encoding Type: Fixed, Learning, Rolling/Hopping Code
Battery: 23A 12V
Modulation Way: Ask/Ook
Dimension: 100*65*50mm
Transport Package: Plastic Bag & Carton
Specification: 100*65*50mm
Trademark: Kelvin
Origin: Shenzhen, China
HS Code: 8526920000
Production Capacity: 500000

12V 1CH Relay Receiver RF Transmitter 433MHz Wireless Remote Control Switch Kl-K211X pictures & photos — 12V 1CH Relay Receiver RF Transmitter 433MHz Wireless Remote Control Switch Kl-K211X

12V 1CH Relay Receiver RF Transmitter 433MHz Wireless Remote Control Switch Kl-K211X
12V 1CH Relay Receiver RF Transmitter 433MHz Wireless Remote Control Switch Kl-K211X

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Product Description

Wireless universal rf 433mhz remote controller KL-K211X

12V 1CH Relay Receiver RF Transmitter 433MHz Wireless Remote Control Switch Kl-K211X

Operation Method:
1. Match code:
Hold learning button and learning indicator light blinks, then press any buttons of remote control, if indicator lights flashes 3 times, match code successfully.
Maximum 20 remote controls can be matched.
2. Delete code:
Hold learning button till the indicator LED lights and then off, delete successfully.
3. Set working mode:
S1 & S2 program the sequence as follows:
Jumper on S1→ Toggle
Jumper on S2→ Latching
No Jumper on S1 &S2→ Momentary

Tech Data:
AC 220V 1-Ch Remote Control Switch KL-K111X

Input	AC 220V (AC110V is customized)
Channels	1
Quiescent Current	12mA
Working Frequency	433MHz / 315MHz, Optional
Receiving Sensitivity	-103dBm
Decoding Type	Learning Code(EV1527) / Fixed Code(PT2262)
Working Mode	Momentary / Toggle / Latching
Output	Switching Signal (Dry Contact) / Active Switching Signal (Wet Contact)
Max Load	50A (Relay Contact)
Dimension	1006550mm

Working Mode:
1. Non-lock/Momentary: Press remote button A, the corresponding relay on the receiver is on; release button A, the relay is off, the same as others.
2. Self-lock/Toggle: Press remote button A, the corresponding relay on the receiver is on; press button A again, the relay is off, the same as others.
3. Inter lock/Latching: Press remote button A, the relay A is on, B is off; press button B, the replay B is on, A is off.

Wiring Way & Diagram:
B=Normally Closed, K=Normally Open, G=Common.
Please refer to below diagram as wiring for 2 different output modes:
12V 1CH Relay Receiver RF Transmitter 433MHz Wireless Remote Control Switch Kl-K211X

About the Supplier

This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR232881". Items marked "" are certified.

Company Profile

Shenzhen Kelvin Electronics Co., Ltd. is a radio frequency expert which was founded in 2006. We have an experienced and professional R& D team include hardware and software engineers, can finish entire development of new products from PCB layout and program writing to mass production.

Our factory is equipped with advanced production equipment including SMT machine, reflow soldering machine and so on. We also have more than 50 instruments for QC and R& D. These advanced facilities and strict quality system ensure all orders finished on time with high quality.

As a high-tech company, we have obtained over 20 patents in the past years, and some of them are initiative that lead the development of whole industry. All our items do not only meet customers' need, but also obtained CE and FCC certification approval.

Wireless paging system, Wireless fridge lock, Customized wireless controller and Bluetooth/WiFi security alarm are our main 4 product lines. Certainly, we provide OEM and ODM service as well.

Our paging system is widely used in many famous chain restaurants and churches. We helped many customers with RF technology on yacht turning, vehicle tailboard lifting and so on.

In the past 3 years, we attended 7 exhibitions in different countries and regions. We are looking forward to meet you at the next stop.

We are ready to cooperate with you, improving lives with technology and creating beauty with innovation.

About Our Factory & Business Background

Business Type: Manufacturer/Factory & Trading Company
Address: 4/F, 23/B, Lianchuang Technology Park, Bulan Road, Nanwan Street, Longgang District, Shenzhen, Guangdong, China
Plant Area: 1250 square meters
Number of Employees: 38
Registered Capital: 500,000 RMB
Terms of Payment: T/T, D/P, PayPal, Western Union, Small-amount payment
International Commercial Terms(Incoterms): FOB, EXW, CIF
Average Lead Time: Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays
Nearest Port: Shenzhen Port
Minimum Order Quantity: 1 PCS
Supply Chain Partners: 318

Our Production Capability & Technical Expertise

Main Products: RF Remote Control, RF Remote Controller, RF Transmitter and Receiver Module, Wireless Paging System, Customized Product
Production Lines: 2
Production Machines: Screen Printing Facility, SMT Facility, Reflow Soldering Facility, Laser Marking Facility, Automatic Screwing Facility
QA/QC inspectors: 6 people
Inspection Type for Finished Products: 100% inspection(Visual inspection & Function inspection)
Inspection Method for Finished Products: Have instructions and uniformly followed
Customization Options: Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
ODM Service Available: Yes
OEM Service Available: Yes
R&D Engineers: 2 people
Traceability of Raw Materials: Yes
Test Reports for Raw Materials: FCC
Own Brand: Yes

Our Industry Experience & Global Business Record

Year of Establishment: 2006-02-23
Export Year: 14 years
Main Markets: North America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Australia, Domestic
Repeat Buyers Choice: 50%~80%
Number of Foreign Trading Staff: 5
Overseas Agent/Branch: No
New Products Launched in Last year: Yes

Our Certifications, Standards & Industry Recognition

Product Certification: CE, RoHS
Cooperated with Fortune 500: No

FAQ

What frequency options are available?: The device supports 315MHz and 433MHz frequencies, with an adjustable range of 250-460MHz.
Can the input voltage be customized?: Yes, while the standard input is AC 220V, AC 110V is available as a customization option.
What working modes does the receiver support?: It supports three modes: Non-lock (Momentary), Self-lock (Toggle), and Inter lock (Latching).
What is the maximum load capacity?: The relay contact can handle a maximum load of 50A.
Is OEM or ODM service available?: Yes, we offer full customization, minor customization, and flexible customization based on samples or designs.
What certifications does the product have?: The product is certified with ISO9001, FCC, CE, and RoHS.
How many remote controls can be matched?: A maximum of 20 remote controls can be matched to the receiver.
What are the available decoding types?: The device supports Learning Code (EV1527) and Fixed Code (PT2262) decoding types.