RF Modules

An RF module, also commonly referred to as a radio frequency module, is a small electronic device that is used to transmit and receive radio signals between two devices, and is also used in embedded systems to facilitate wireless communication connections. RS Components offer a varied range of RF modules from several brands across the industry, including Eccel Technology, ON Semiconductor, RF Solutions, Wurth Elektronik, and many more.

What is the main function of an RF module?

Radio frequency modules are the biggest facilitator of wireless communication, this is because it does not require a line of sight. This is in contrast to its usual alternative, Infrared, which mostly operates in line of sight mode. It spans between a range of 3 kHz and 300 GHz, with the lower end being applied in applications such as submarines and radio stations whilst the higher spectrum is used in applications such as GPS, Wi-Fi, Bluetooth and TV broadcasting. An RF module is typically used with a pair of encoder/decoders. The encoder is used for encoding parallel data for transmitting whilst the reception is decoded by a decoder. Some of the main functions of an RF Module are:

  • Act as a transmitter of signals
  • A solution for detecting radio signals
  • Bridging communication between two devices
  • RF can stretch communication between applications
  • Acts as a receiver module

The performance of radio frequency applications is dependent on a few factors. Through increasing a transmitter’s power, a larger communication range can be attained. This also causes a power drain from the power source which could result in a shorter life span for battery-powered devices. Through the use of higher transmitted power, interference with other radio frequencies can occur.

Typical applications of an RF module

  • Car alarm systems
  • Remote controls
  • Sensor reporting
  • Automation systems

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Omschrijving Prijs Component Type Module Type Supported Frequency Bands Modulation Technique Maximum RF Data Rate Maximum Output Power Mounting Type Receiver Sensitivity Supported Bus Interfaces Supply Voltage Dimensions Height Length Maximum Operating Temperature
RS-stocknr. 162-8691
FabrikantnummerRF430CL330HCPWR
€ 0,518
Each (On a Reel of 2000)
Aantal stuks
Transponder - - - - - - - SPI 3 → 3.6V 4.5 x 5.1 x 1.05mm 1.05mm 5.1mm +85 °C
RS-stocknr. 505-6749
FabrikantnummerR7G-434.075
FabrikantRF Solutions
€ 37,70
Each
Aantal stuks
Module - 434MHz FM 20kbit/s - - -117dBm - 4.5 → 5.5V 48 x 8.3 x 17mm 17mm 48mm +55 °C
RS-stocknr. 672-9016
FabrikantnummerSMARTALPHA-RX868
FabrikantRF Solutions
€ 15,89
Each
Aantal stuks
Module - 868MHz GFSK 86.2kbit/s 0dBm - -110dBm USB 2.3 → 3.6V - - 23.7mm +80 °C
RS-stocknr. 825-3344
FabrikantnummerRF430CL330HCPWR
€ 1,26
Each (In a Pack of 5)
Aantal stuks
Transponder - - - - - - - SPI 3 → 3.6V 4.5 x 5.1 x 1.05mm 1.05mm 5.1mm +85 °C
RS-stocknr. 532-4351
FabrikantnummerER900TRS-02
FabrikantEasy Radio
€ 32,92
Each
Aantal stuks
Module - 868 MHz, 915MHz FSK 38.4kbit/s +10dBm - -105dBm RS232 3.3 → 5.5V 38 x 4 x 14mm 14mm 38mm +85 °C
RS-stocknr. 412-670
FabrikantnummerAD8362ARUZ
FabrikantAnalog Devices
€ 11,95
Each
Aantal stuks
Controller - - - - - Surface Mount - - - 5 x 4.4 x 1.05mm 1.05mm 5mm +85 °C
RS-stocknr. 672-9053
FabrikantnummerCARD-MIFARE4K
FabrikantRF Solutions
€ 5,70
Each
Aantal stuks
Module - - - - - - - - - - - - -
RS-stocknr. 906-2732
FabrikantnummerXB8-DMRS-002
€ 23,91
Each
Aantal stuks
Module - 863 → 870MHz - 80kbit/s 25mW - -101dBm - 2.7 → 3.6V 33.8 x 22.1 x 3mm 3mm 33.8mm +85 °C
RS-stocknr. 126-2176
FabrikantnummerRFID-A1 (00319)
€ 22,46
Each
Aantal stuks
Module - - - - - - - I2C, SPI 2.5 → 3.6V - - 20.32mm +85 °C
RS-stocknr. 731-2735
FabrikantnummerRFM31B-868-D
FabrikantHopeRF
€ 8,75
Each
Aantal stuks
Module - 868MHz FSK, GFSK, OOK 256kbit/s - - -121dBm SPI 1.8 → 3.6V 14 x 15.5 x 5.9mm 5.9mm 15.5mm +85 °C
RS-stocknr. 126-2179
FabrikantnummerRWD-QT-LP-SMT (000327)
€ 24,87
Each
Aantal stuks
Module - - - - - - - RS232, SPI, TTL 5V - - 17.4mm +85 °C
RS-stocknr. 126-2177
FabrikantnummerRFID-B1(000323)
€ 22,46
Each
Aantal stuks
Module - - - - - - - UART 2.5 → 3.6V - - 20.32mm +85 °C
RS-stocknr. 177-4869
FabrikantnummerERA900TS
FabrikantLPRS
€ 20,196
Each (In a Tray of 50)
Aantal stuks
Module - 868 MHz, 915MHz ASK, FSK, GFSK 38400bit/s +10dBm - -117dBm RS232, UART 2.5 → 5.5V 31 x 4 x 12mm 12mm 31mm +85 °C
RS-stocknr. 505-6761
FabrikantnummerR7G-434.225
FabrikantRF Solutions
€ 41,40
Each
Aantal stuks
Module - 434MHz FM 20kbit/s - - -117dBm - 4.5 → 5.5V 48 x 8.3 x 17mm 17mm 48mm +55 °C
RS-stocknr. 731-2779
FabrikantnummerRFM02--868-S1
FabrikantHopeRF
€ 4,27
Each
Aantal stuks
Module - 868MHz FSK 115.2kbit/s +8dBm - - SPI 2.2 → 5.4V 15.9 x 16.1 x 4.2mm 4.2mm 16.1mm +85 °C
RS-stocknr. 793-2018
FabrikantnummerRFM65W-868-S2
FabrikantHopeRF
€ 7,61
Each
Aantal stuks
Module - 868MHz FSK, GFSK, GMSK, MSK, OOK 300kbit/s - - -120dBm SPI 1.8 → 3.6V 19.7 x 16 x 1mm 1.9mm 19.7mm +70 °C
RS-stocknr. 786-3209
FabrikantnummerSTM 330
FabrikantEnOcean
€ 36,32
Each
Aantal stuks
Module - 868MHz ASK 125kbit/s +8dBm - - - - 43 x 16 x 8mm 8mm 43mm +60 °C
RS-stocknr. 179-1184
FabrikantnummerTCM 300
FabrikantEnOcean
€ 17,632
Each (On a Reel of 250)
Aantal stuks
Module - 868MHz ASK 125kbit/s +7dBm - -96dBm UART 2.6 → 4.5V 22 x 19 x 3.1mm 3.1mm 22mm +85 °C
RS-stocknr. 145-6292
FabrikantnummerTRF7960RHBT
€ 3,478
Each (On a Reel of 250)
Aantal stuks
Module - - - - 200mW - - SPI 2.7 → 5.5V 212.7 x 190.5 x 31.8mm 31.8mm 212.7mm +85 °C
RS-stocknr. 786-3211
FabrikantnummerTCM 300
FabrikantEnOcean
€ 28,29
Each
Aantal stuks
Module - 868MHz ASK 125kbit/s +7dBm - -96dBm UART 2.6 → 4.5V 22 x 19 x 3.1mm 3.1mm 22mm +85 °C