LR45A LR43B 433mhz RF Wireless Receiver Module

These modules are commonly used for remote control systems, Wireless data Transmission, home Automation, and other RF communication applications. ASK Superheterodyne Wireless Receiver Module

$3.95

Out of stock

Model Variations
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Description
Additional information
Applications
Support & Utility
Q & A

The LR45A and LR43B are types of RF (Radio Frequency) wireless receiver modules that operate in the 433 MHz frequency range. These modules are commonly used for remote control systems, wireless data transmission, home automation, and other RF communication applications.

 

Specifications:
 

  • RF Chip: LR680R
  • Modulation method: ASK / OOK (Amplitude Shift Keying / On-Off Keying)
  • Data Rate: Up to 10 kbps (depending on conditions and modulation)
  • Antenna: Usually an external wire or spring antenna(not included)
  • Interface: Digital output (usually connected to a microcontroller like Arduino)
  • Working temperature: -40~80 degrees Celsius.
  • LR35B Operating frequency: 315 MHz
  • LR35B-315MHz Range: Line of Sight(~50-150m)*
  • LR35B-315MHz Sensitivity: -110 dBm
  • LR35B-315MHz Stability: Adequate
  • LR35B-315MHz Operating Voltage: 4.5- 5.5v
  • LR35B-315MHz Operating Current: 3.5ma
  • LR35B-315MHz Size:22*9*5mm
  • LR43B Operating frequency: 433MHz
  • LR43B-433MHz Range: Line of Sight (~50-150m)*
  • LR43B-433MHz Sensitivity: -110 dBm
  • LR43B-433MHz Stability: Better noise rejection
  • LR43B-433MHz Operating Voltage: 2- 5.5v
  • LR43B-433MHz Operating Current: 2.5ma
  • LR43B-433MHz Size:22*9*5mm
  • LR45A Operating frequency: 433MHz
  • LR45A-433MHz Range: Line of Sight (~50-200m)*
  • LR45A-433MHz Sensitivity: -110 dBm
  • LR45A-433MHz Stability: Better noise rejection
  • LR45A-433MHz Operating Voltage: 2- 5.5v
  • LR45A-433MHz Operating Current: 2.5ma
  • LR45A-433MHz Size:18*12*3.2mm or 22*9*5ma

*Depends on antenna, environment, and transmission power.

 

Package Includes:
  • LR45A LR43B 433 MHz RF Wireless Receiver Module

 

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Development  Resources: Demo Codes, Schematics, Datasheets, Etc
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Notes:
  1. There may be slight size deviations due to manual measurement, variations in measuring methods, and the use of different tools.
  2. The picture may not accurately reflect the actual colour of the item due to variations in photographic lighting, angles, and displays.
Weight 0.05 kg
Dimensions 3 × 1.1 × 0.6 cm
Model Variations

433MHz V1, 433MHz V2, 433MHz V3, 433MHz V4



Product Applications

Applications:

  • Remote controls (garage doors, fans, etc.)

  • Wireless sensor data collection

  • Home security systems

  • Smart home automation



Current Product Support

SKU Product Type Download/View
LR45A LR43B 433mhz RF Wireless Receiver Module - LR680R Datasheet Download

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