What is an RF Module?
An RF module is a device that is used to transmit and receive radio signals between two devices. They may use one or several wireless connectivity protocols like Bluetooth, Wi-Fi, LoRa, Zigbee or can even proprietary protocols. RF modules usually consist of an RF transceiver, an MCU, an antenna and additional circuitry like TXCOs, filters, switches, matching circuitry etc. These modules are used in IoT networks, wireless data transfer mediums, automation, monitoring, remote controls sensors and a wide range of applications.
Important Parameters to consider when selecting RF Modules:
Operating Frequency: The frequency range of RF modules usually varies from 400 MHz to 8 GHz. These modules usually operate in license free bands. Other frequency ranges are also possible.
Protocols: An RF module may use one or several wireless connectivity protocols. Each protocol has different properties like frequency range, modulation techniques, data transfer rates, range etc. You can select a protocol based on your application. Some protocols are Bluetooth, Wi-Fi, ZigBee, LoRa etc.
Range: This is the maximum distance up to which an RF module can transmit and receive wireless signals.
Data Rate: This is the maximum speed at which the RF module can transmit and receive data.
Receiver Sensitivity: Receiver sensitivity is the measure of the minimum signal strength the RF receiver can detect.
Interfaces: RF module is connected to the device via an interface. An RF module may support several interfaces through which it can be controlled.
Modulation Schemes: Modulation is the process of encoding data on to wireless signals so that it can be transmitted. The modulation technique used can affect transmission speed, amount of transferable data and range up to which data can be transferred. An RF module may support several modulation techniques for the transmission of data.
everything RF has listed RF Modules from the leading companies. Narrow down by protocol, data rate, range and various other parameters. View product details, download datasheets and get pricing on the modules you need. This category lists non-cellular modules. If you are looking for cellular modules we have other categories - Cellular Modules and Cellular IoT Modules. Most RF modules are made using an SoC. Click here to view the category for Wireless SoCs.