433.92 MHz

433.920 MHz modules are wireless RF modules that operate in the 433 MHz ISM band. They are used for simple wireless communication between two devices and are commonly found in remote controls, alarm systems, garage door openers, sensors, and home automation applications. Most modules use ASK/OOK modulation and are available as standalone transmitters, receivers, or complete transmitter/receiver pairs. Receivers are either simple super-regenerative models or more sensitive superheterodyne models, offering longer range and better immunity to interference. For the best performance, use a 17.3 cm antenna, which corresponds to a quarter-wave antenna for 433 MHz. All modules in this category operate on the same frequency and are compatible with each other as transmitters and receivers.

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433.920 MHz RF modules provide a simple and cost-effective solution for short-range wireless communication. They are widely used in DIY electronics, Arduino and microcontroller projects, remote controls, alarm systems, wireless sensors, home automation, and industrial control applications.

This category includes transmitter modules, receiver modules, and complete transmitter/receiver pairs operating at 433.920 MHz using ASK/OOK modulation. Most transmitters are compatible with all receivers in this category and can be mixed and matched to suit your project requirements.

Receiver modules are available in both super-regenerative and superheterodyne versions. Superheterodyne receivers offer higher sensitivity, better selectivity, longer communication range, and improved immunity to interference.

For optimum range and reliable operation, a 17.3 cm quarter-wave antenna or another antenna designed for 433.920 MHz is recommended. Actual communication range depends on antenna design, supply voltage, data rate, the surrounding environment, and radio interference.

These modules are ideal for transmitting digital data between microcontrollers and are compatible with many common encoding ICs and protocols, including EV1527, PT2262, SC2262, HS1527, and other ASK/OOK-based devices.