The 433MHz wireless module is a low cost and simple to use device for wireless project. It can be used in a pair to create a practical wireless data link between the range of 3 to 35 meters.
433 MHz Transmitter Module Specifications:
Wireless (RF) Simplex Transmitter and Receiver
Transmitter Operating Voltage: +5V only
Transmitter Operating current: 9mA to 40mA
Operating frequency: 433 MHz
Transmission Distance: 3 meters (without antenna) to 100 meters (maximum)
Modulating Technique: ASK (Amplitude shift keying)
Data Transmission speed: 10Kbps
Circuit type: Saw resonator