433mhz Serial Transmitter-Receiver pair wireless Arduino, PIC, Raspberry pi ASK OOK

 

These are probably the most popular modules for experimenting wireless communication among DIY people, compatible with all kind of microcontrollers. 

 

Receiver module parameters
Operating voltage: DC5V
Operating Current: 4mA
Frequency: 433MHZ
Dimensions: 30 x 14mm

Transmitter parameters:
Maximum distance: ~ 50 meters (without any obstacles)
Operating voltage :3.5-12V
Dimensions: 19 x 19mm
Transfer rate: 4KB / S
Transmitting power: 10mW
Transmitting frequency: 433MHZ

Package includes：

• 1 x Transmitter
• 1 x Receiver
• 2 x antennas

 Arduino project with these: https://randomnerdtutorials.com/rf-433mhz-transmitter-receiver-module-with-arduino/