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Arduino Wireless Transmitter Receiver Module 433 MHz

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  • Arduino Wireless Transmitter Receiver Module 433 MHz
1.00 Grams
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 Product Description

The Arduino Wireless Transmitter Receiver Module 433 MHz is the perfect module for wireless communication projects.

Transmitter :

  • Working voltage: 3V - 5V - 12V For maximum transmitting power use up to 12V
  • Working current: max Less than 40mA max , and min 9mA
  • Resonance mode: (SAW)
  • Modulation mode: ASK: Amplitude-Shift Keying (See description below)
  • Working frequency: Eve 315MHz Or 433MHz
  • Transmission power: 25mW (315MHz at 12V)
  • Frequency error: +150kHz (max)
  • Velocity : less than 10Kbps

This module will transmit up to 90m in open area.


Receiver :

  • Working voltage: 5.0VDC +0.5V
  • Working current:≤5.5mA max
  • Working method: OOK/ASK: On-Off Keying - denotes the simplest form of amplitude-shift keying (ASK) modulation that represents digital data as the presence or absence of a carrier wave. Amplitude-Shift Keying - is a form of amplitude modulation that represents digital data as variations in the amplitude of a carrier wave. In an ASK system, the binary symbol 1 is represented by transmitting a fixed-amplitude carrier wave and fixed frequency for a bit duration of T seconds. If the signal value is 1 then the carrier signal will be transmitted; otherwise, a signal value of 0 will be transmitted.
  • Working frequency: 315MHz-433.92MHz
  • Bandwidth: 2MHz
  • Sensitivity: excel –100dBm (50Ω)
  • Transmitting velocity: <9.6Kbps (at 315MHz and -95dBm)

433mhz Antenna Boost Notes :

The first rule about good reception is to have a good antenna. The use of an optional antenna will increase the effectiveness of your wireless communication. When using an external antenna a 1/4 wavelength is recommended. Ideally use 50 impedance ohm single-core wire, the length of the antenna 433M is about 17cm (1/4 wavelength). When locating the receiver antenna keep it as far away as possible from shielded areas, high voltages, and any other possible interfering frequencies.


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