Product Description
Factory Price Wireless 433MHz RF Receiver Circuit Board KL-CWXM04
KL-CWXM04 adopts American imported high sensitivity RF IC MICRF211AYQS with super heterodyne circuit. It is highly integrated with very few components on the PCB, so that it has good quality, strong anti-static protection, high sensitivity, stable and reliable performance. It decodes by MCU that supports fixed code with 2262 chip and learning code with 1527 chip. It's widely used in remote garage door opener, auto gates as retract type, brakes, factory automatic, communication and security system etc.
Specification:
| Frequency: |
315MHz, 433MHz |
| Working Voltage: |
DC3V / 5V |
| Working Current: |
4mA |
| Modulation: |
ASK/OOK |
| Sensitivity: |
-110dBm. |
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
Matching Transmitter:
1. Match code:
When the receiver module is powered, hold the learning button and the LED indicator blinks, then press any button of remote control or power a transmitter module to launch, if indicator flashes 3 times, match code successfully. Maximum 20 remote controls / transmitter modules 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:
S1 Short Circuit→ Toggle
S2 Short Circuit→ Latching
S1 & S2 both not short→ Momentary
FAQ
1) What is your warranty period?
Generally, we provide 1 year warranty for all our products unless otherwise mentioned. (Some are 2 years.)
For DOA (Defective On Arrival) items, which will be replaced or refund, please inform us within 3 days of arrival, please also keep all components and original packaging as further checking maybe required, faulty items must be returned for repair or exchange.
2) If i don't know how to use the products, what can i do?
Pls contact us whenever you need our help, even we are not online.
You can write email to us, or contact us byTrademanager, Skype, and other IM tools.
We are all very glad to answer your questions.
3) What certifications do you have?
Most of our products are approved with CE certification, some are with FCC.
If you have any other requriements with certifications, we also would like to help you.
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