Description Of Receiver Module:

Product Model:RX18211A-4
Working voltage: 2-5V
Receiving frequency: 433.92Mhz
Receiving sensitivity: -112dBM
Maximum distance: >30m
Modulation type : ASK/OOK
Learning method: button matching
Working temperature: -10 ~ 60 degrees
Dimensions: 31.5×11.8×1.0（mm）
Application range: signal control
Recommended solution: access control circuit, remote control switch

Features:

The RX18211 receiving module is a UHF band ASK receiving demodulator, which supports ASK/OOK demodulation. The receiving module has high sensitivity
(-112dBm), low power consumption performance (<6mA), and high dynamic range (greater than 60dB). The module uses a highly integrated chip,
Built-in front-end low-noise amplifier, mixer, filter, frequency synthesizer and other circuits, can optimize the signal to the greatest extent.

Package List:

2*RX18211A-4 433Mhz Receiver Module

About Working mode:

Momentary: Press the remote button, the relay connects, release the remote button, the relay disconnects.
Toggle: Press once the remote button, the relay connects, press the remote button twice, the relay disconnects.
Latching: Press the remote button A, the relay connects, press the remote button B, the relay disconnect.

Learning the Code:(Momentary)

Press the learning key on the receiver once time, it comes into momentary setting mode.
Wait for a moment, the LED will be off , it comes into learning state.
Push the remote button, LED indicator on the receiver board will flash then come off.
After 3 seconds, the LED indicator will be on again, learning successfully.

Learning the Code: (Toggle)

Press the learning key on the receiver twice time, it comes into toggle setting mode.
Wait for a moment, the LED will be off , it comes into learning state.
Press the remote button, LED indicator on the receiver board will flash then come off.
After 3 seconds, the LED indicator will be on again, learning successfully.

Learning the Code:( Latching)

Note: When you choose for latching mode, in order to learn more remote control, you need to learn two different button, the first time learning is for ON, the second time learning for OFF.
For example: Button A = ON, Button B = OFF
Press the learning key on the receiver triple time, it comes into latching mode .
Wait for a moment, the LED indicator on the receiver board will flash then come off.
Press the remote button A. LED flash for 5 times.
Press the remote button B. LED flash for 5 times
After 3 seconds, the LED indicator will be on again, learning successfully.
A = ON, B = OFF.